Lou continues to chat on-line with the guy that Lisa connected her up with and agrees to meet him. Meanwhile an oil company prospecting (and blasting) near Heartland has upset everyone except two dude Ranch guests who are addicted to fishing and Lou's cinnamon rolls. Caleb tries to mend fences with Amy but when Ashley moves into his trailer things get more complicated.

Amy and Caleb continue to battle over Ashley's staying at his place. Meanwhile Val may need Ashley but is unable to seal their rift. Ty is upset because his former probation officer brings a couple of troubled kids to the dude ranch. Peter continues to try and charm Lou.

Spartan, that horse that Amy and her mom rescued, is stolen. When Spartan turns up at a horse auction and is bought by Wes, the man who tried to burn down the Fleming's barn, Amy is determined to get him back, despite not having the proper bill of sale. Meanwhile Lou tries to keep it quiet that she's dating the oilman, Peter.

When Spartan starts to refuse jumps, Amy takes him to a first nations horse trainer that used to work with her mom. Meanwhile Ty struggles to gentle Harley, his new horse, on his own. Peter books the entire dude ranch and while Lou is still trying to keep their relationship a secret, she learns something about Peter's past that throws her.

Ty and Amy finally get some alone time when they make a trip up to the mountains to feed some wild horses, but Ty passes out with a high fever and a blizzard makes their remote location a problem. Lou finally comes clean with Jack on the fact that she's dating an oilman. Ashley is upset to learn that her mother sponsored Caleb on the rodeo circuit to separate them.

Jack's old truck is letting him down again and again. The final straw comes when it breaks down as he is taking Lisa to a wedding. Everyone pressures Jack to get a new truck, not realizing why he is so attached to the old one. Meanwhile, Amy and Ty are preparing to attend a school dance together and Amy is afraid Ty doesn't really want to go.

Ty is trying to make a decision about his future. His apprenticeship with Scott Cardinal takes him to the Bailey ranch where Kit's mare is about to deliver. The idea of Ty and Kit spending time together makes Amy a little jealous.

When Scott asks Amy and Ty to help raise an orphaned foal, the stress of having a newborn puts a strain on their relationship. Meanwhile Lou has arranged for an oil exec to visit the ranch in hopes of helping Peter arrange a business deal. Ashley and her mother are still trying to work out the kinks in their newly reborn relationship, and a cougar has been spotted around the ranch.

Amy and Ty are fighting about what to do on Ty's last day before he leaves for university. When Scott gets a call about an injured horse in Golden, Ty volunteers to fly along with Scott to assist. Amy goes to the airport to meet Ty upon his return and learns the plane is missing.

Ty and Scott Cardinal must survive in the wilderness, at the site of their plane crash, and try to make contact with their rescuers. The other residents of Heartland are not willing to sit around waiting so they load up their horses and head to the area where the plane disappeared to help with the search.

After the plane crash Ty is having nightmares and is unable to sleep. Jack, Tim and Ty head off for a weekend fishing trip and Lou's boyfriend Peter decides to accompany them. Lou is trying to prepare Heartland for a visit by a magazine photographer but is beset by a series of disasters and misses Peter. Mallory is hurt when her friend Jamie breaks their plans to hang out because Jamie wants to spend time with Rachel, the most popular girl in school.

As the second anniversary of Marion's death approaches, Victor comes to the ranch to pay his respects. As Tim begins to suspect that Victor and Marion's relationship was more than he thought, Jack and the girls are caught in the middle. Ty asks Amy to work with Kit's horse who's temperamental after losing a foal. Peter asks Lou to accompany him on a business trip Paris.

After getting a clean bill of health from her doctor Val Stanton is eager to enjoy life. She renews her interest in show jumping and hires Amy to coach her. Mallory is jealous when it appears Jake has a new girlfriend.

With business still off at Heartland Tim and Lou pressure Amy to enter a horse breaking contest for publicity. Mallory is interested in joining her school riding club and seeks help from Amy and Caleb.

Lou and Peter must get married quickly because Peter needs to move to Dubai. Caleb is desperate to repair his relationship with Ashley. Amy has been invited to go on the Ring of Fire tour and Ty is feeling restless, wanting to set out on his own before beginning university.

Peter returns from Dubai to find out what's going on with Lou. Amy and Ty convince Sarah, the town hermit, to let them treat her sick horse at Heartland. Badger and Mallory go on an adventure neither of them will soon forget.

When Tim decides not to enter his horse in the big race, Janice his jockey/girl-friend agrees to ride for a competitor. Badger buys a car but finds out that its stolen and has to get rid of it before Jack finds out. When Soroya starts managing the dude ranch, Ashley wants to be promoted to manager at the café.

Tim decides to enter his racehorse, Lightning Dexter, in claiming race despite Amy's objections. Amy and Ty's troubles are aggravated when Chase comes to town and offers to put in a bid on Dexter. Meanwhile Lou finds out that she's pregnant and though Peter comes home, he really needs to be in Dubai.

Amy finds that she's over-committed when she promises to "de-sensitize" three horses for the local police. Deciding that she needs help she calls in Chase. Meanwhile Amy's returning the last of Ty's things throws him and when Jack discovers that Ty is skipping classes and not showing up to help Scott, Jack proposes a road trip.

When famous Olympic trainer Stewart Forrest hires Amy to coach his Olympic hopeful daughter, Amy feels that he's pushing her and her horse too hard. When Amy again gets Chase's help Ty is concerned. Meanwhile, Jack is concerned that Mallory is neglecting her horse, Copper. Lou discovers that while Peter is home with her, his business in Dubai is in crisis.

Tim and his girlfriend announce that they are selling the ranch and moving to California. But one of Tim's old girlfriends comes back and claims that Tim is the father of her son, Shane. Ashley finally comes home. Ty is still having trouble just being friends with Amy. Ashley decides to go to school in British Columbia and Caleb is not sure if he should go or stay.

Ty and Amy take on a pair of Clydesdales with the help of Sugarfoot. Lou's water breaks while Peter is out of town. When a horse crazed boy and his mom show up at Heartland, Tim learns that he's got a son that he never knew about.

Peter and Lou bring the baby back to Heartland and invite the in-laws for the naming ceremony. Scott drops by Ty's new place with a motorcycle requiring some work. Amy's training of Tim and Janice's new racehorse starts showing results. Tim decides to disclose the secret about Shane.

When Amy works with a chuck wagon horse she discovers an impediment that could put the entire team in danger and change the dynamics of a prominent chuck wagon family. Meanwhile, everybody at Heartland deals with sleep deprivation as Lou and Peter desperately try to get their baby to sleep at night. Mallory thinks she's found a solution, but her sleep training method ends up pitting Lou and Peter against each other. And Caleb surprises Ty when he returns home to the trailer from the West Coast... without Ashley.

Amy helps to restore the confidence of a troubled, young trick-rider so that she can get back on her horse and perform again. Meanwhile, Ty and Amy's plans to raise the spirits of a freshly separated Caleb with a night out on the town go completely awry. And Jack is so fed up with the full house at Heartland, along with the line-ups for the bathroom, that he decides to build an outhouse. Peter gets Jack's hint and comes up with an interesting housing idea for Lou.

A friend from Jack's past shows up at Heartland when one of their old band mates passes away. Lou and Lisa secretly try to gather the other remaining members for a reunion performance to celebrate Jack's birthday. Meanwhile, Amy works with a horse that won't stop bucking as Caleb becomes smitten with Kelly - the horse's sassy and attractive owner. And Mallory meets a young country singer wannabe who seems like her perfect match... except for the fact that he idolizes her dad.

When Ty visits Mrs. Bell to thank her for paying his school fees he and Amy are surprised to learn she's moved out of her home, and away from Sugarfoot. Meanwhile, Shane competes with Janice for Tim's attention and ends up finding another cowboy to look up to. Mallory starts to fall for Austin, but can't help wondering if he has an ulterior motive for getting close to her. And Soraya takes some life advice from an unlikely source... Caleb!

When Tim's young racehorse Cisco is stolen on the way to his maiden race, Amy and Ty get help tracking him down from an unlikely source -- Ty's step-father, Wade. Meanwhile, when Lou goes off to work, Peter is left to take care of baby Katie and ends up guarding a secret that could break Lou's heart. And Caleb finally convinces Kelly to go out with him, only to have a serious curve-ball thrown his way as he arrives for their date.

When Amy tries to heal an abused and violent racehorse, Ty and Jack think she's taken on more than she can handle, but can Amy prove them wrong?

In an attempt to avoid hitting a wolf, Ty is badly injured when he crashes his bike on a remote road leaving Jack to search for help in the middle of nowhere. Meanwhile, back at Heartland, an anxious Amy has visions that tell her something has happened to Ty. When his lawyer digs up some dirt on Miranda, Tim starts thinking seriously about a custody suit. And Lou and Peter both receive interesting career opportunities that complicate their parenting plan.

Amy is roped into helping Tim project a positive image to the community, in hopes it will further his custody case for Shane. Meanwhile, Ty works to restore his bike, and his shaken confidence, so he can get back on the road. Lou and Lisa come to a crossroads in their business partnership when construction finally begins on Lou and Peter's dream home at the Dude Ranch... during peak season! And Caleb returns from Vancouver with his and Ashley's future finally settled.

When Amy's eccentric friend Mr. Hanley dies, she finds his horses in danger of being bought up by kill buyers.Can she rescue them before it's too late?

When a mystery horse arrives at Heartland, Amy and Ty are sent down a path that will alter their lives. Meanwhile, Tim and Miranda realize they have to take their son's wishes into consideration, so they decide to spend some quality time together with surprising results. Peter drives Lou crazy when he takes over the plans for their second anniversary celebration but she is almost speechless when he reveals his surprise.

Amy is bursting to ask Ty about the engagement ring, and why he hasn't proposed yet, but a couple of 'runaways' throw everything at Heartland into turmoil. Meanwhile, as Lou tries to keep it a secret that she knows about the ring, she and Peter must also cope with the money pit that the Hanley Farm renovation has become. Lou is under so much stress that when things start to go missing around Heartland, she thinks she's losing it. And Ty finds an unexpected surprise in the barn that could change the entire Fleming-Bartlett family dynamic.

Ty struggles to deal with the fact that Amy has found the engagement ring and has to decide how and whether he is going to propose to her or not.

Amy tries to fulfill Mallory's dream of being a show jumper but discovers that it's Georgie who has the natural talent.

A trip to help out an old friend at a fishing camp doesn't go as planned, and a series of unexpected events elevate it into a life-changing weekend for the entire family. Amy and Ty wind up going to the camp on their own, where a shared adventure involving a wounded foal brings them to a special moment. Meanwhile, Georgie realizes too late the real reason she and Jack have had to stay behind while Lou finds herself swamped with a flu-stricken Katie. And on top of everything, Jack and Lisa's issues come to a head.

Amy and Ty hold off telling the family their great news when they return from their trip to find everyone reeling from the devastating fire at Lou and Peter's home. Meanwhile, Jack gets another visit from Clint to learn whether he's been officially approved, or denied, as Georgie's legal foster parent. Traumatized by the fire, Phoenix won't go anywhere near Georgie and Amy must find a way to restore their special bond. And in the aftermath of losing their dream home Lou and Peter make a surprising decision that provides new hope for the future.

Jeremy forces Amy to make a tough decision about Phoenix when his horse, Buckingham, sustains a serious injury that threatens his jumping career.

When a local horse show is cancelled Lou saves the day for Georgie and Mallory by stepping up to host it at Heartland. Amy trains Georgie to take on an entitled little brat from school named Olivia, while Mallory's not-so-secret crush on her coach, Jeremy, heightens. Meanwhile, Peter pressures Lou to fire Caleb as Ty tries to convince Caleb to apologize for 'the punch'. And Jack grooms his lawn to perfection - just in time to have it turned into a parking lot for the horse show. But just when everything is going smoothly, tragedy strikes.

To clear his own name, Ty searches for damning evidence to prove Jeremy was behind Buckingham's death. Meanwhile, Amy attempts to find a way to get Spartan to face his extreme fear of the jumping pen - his life depends on it. Lou and Peter's romantic weekend at the Dude Ranch is interrupted by a surprise visitor... Peter's ex-wife, Eden. And against Tim's advice, Mallory turns to the internet to find romance for Jack.

With the threat of losing Phoenix looming over their heads, things become even more complicated at Heartland when Georgie gets a surprise visit from her brother Jeff. When Jeff reveals the real reason for his visit the family is faced with the possibility of losing Georgie as well. With all the drama at home, Amy has second thoughts about going on a road trip to Las Vegas with Ty. Meanwhile, Peter suggests a life-changing idea to Lou that she finds impossible to wrap her head around and an increasingly stressed out and overworked Jack ends his partnership with Tim - for good.

As the family struggles to cope with recent changes at the ranch, Amy realizes she must reclaim her "Miracle Girl" status and focus on her work with horses.

Jack is avoiding Doctor's appointments while driving throughout the country with Ty looking for his trucks. Lou and Peter delay sharing important news with Georgie when she has another confrontation with Olivia.

Maggie's is being sold and there is impending doom upon Hudson. Buck Burger is coming to town.

Ty's old friend comes to visit, but this visit brings nothing but problems. Ty has to choose his side. Georgie's school assignment makes Lou and Peter competitive, and they take on each other.

Amy works with a barrel racing horse with a mind of its own. Lou and Peter's plans change from a family trip in the mountains to Peter's conference in Fort Mac where Lou is asked to her first public speaking.

Amy is faced again with Ahmed's horse, and must overcome her fear to save the horse from euthanasia. Lou leaves on her book tour. She leaves Peter, Georgie, and Jack to sprucing up the dude ranch, a task better said than done.

Amy goes under cover to catch a Tennessee Walker's abusers after Ty brings it to Heartland to recover.

Jack's old flame reappears and everyone thinks they should give it another chance.

Caleb and Ty finally convince Amy to ride Charger in the Futurity race. Lou feels bad because Georgie won't call her "Mom." Jack and Lisa finally make a decision about their future. Ahmed makes Amy an offer she can't refuse.

Gifts from Ahmed hamper Amy's chances of reuniting with Georgie. Jack and Tim compete in a charity roping event. Peter and Lou are at odds over where to send Katie for pre-school. Ty considers a different career choice.

Prince Ahmed visits Amy at Heartland and declares he loves her, but Amy tells him they'll only ever be friends. Tim, out of loop as usual, invites Ahmed to Heartland for dinner that ends in a fight between Ty and Ahmed after Georgie reveals that the Prince is in love with Amy.

Georgie's school project puts her into contact with her only living relative which could alter her life at Heartland. Amy is recruited by Caleb to train a bulldogging horse he wants to sell to Casey. Ty breaks the news to Caleb that he wants out of their business partnership.

News of a cull sends Jack and Amy to Pike River to help out Will Vernon. Tim sees this as an opportunity to get Ty and Amy working together again, so he tricks Ty in coming with him. Lou and Peter's marriage becomes strained when Lou finds out Peter's flight home wasn't cancelled and he almost misses their family stay-cation.

With the wild horses in jeopardy of being removed from their home, Amy and Ty hatch a plan to save them from the meat truck and ultimately reconnect with each other. Back at Heartland, Lou and Peter are under investigation from the Child Protection Society.

Amy discovers that Peter declined a lucrative job offer that would've moved his work closer to home. Georgie, overwhelmed with responsibility, asks her friend to help exercise Phoenix. Ty finds out Caleb partnered with Jesse Stanton.

Ty and Amy decide to have a weekend alone in Montana when they find a hitchhiker. Back at the ranch, Lou confronts Peter about the job offer and why he turned it down. Meanwhile, Georgie volunteers at the vet clinic.

Lou returns from Vancouver with an admission that threatens to change the Heartland family forever. Meanwhile, Jack intervenes when he discovers that Tim intends to crash Miranda's wedding in Moose Jaw. Then, when Amy helps Caleb source a horse for Tim's rodeo school she learns just how precarious Caleb's business partnership is with Jesse. And Georgie fights disappointment when it looks like Peter won't make it home to take in the lunar eclipse with her, as promised.

The family strives to support a devastated Georgie when Lou and Peter are forced to tell her about their separation, and Amy helps Georgie find the strength and determination she needs to deal with the terrible news while training for an upcoming trick riding competition. Meanwhile, Ty jumps to Caleb's defense when Jesse calls in Caleb's loan, effectively ruining him.

Lou spearheads preparations for the big day while Amy throws herself into gentling a rescue horse in order to avoid all the wedding craziness. But Amy and Ty's happy future is jeopardized when Ty is unexpectedly arrested for assault. Meanwhile, Georgie observes an intimate moment between Lou and Peter and nurtures hope that they are getting back together. And Tim risks telling Casey how he feels about her, and then obsesses over her response.

In order to give Amy and Ty the wedding they really want, Lou struggles to deal with a slew of last minute hurdles.

Ty and Amy are back from their honeymoon and Georgie is trying to be able to handle what is going on with Lou and Peter. Ty and Amy are adding on to the loft. Amy and Georgie find a hurt horse.

After enlisting Amy to help her perfect a trick to perform at an upcoming rodeo, Georgie gets pulled away by Lou and Peter who insist she focus on her schoolwork.

Jack is having a hard time since Paint died. Amy and Georgie take place in Casey's rodeo. Georgie is trying to Jack to ride Buddy.But he doesn't want another horse. But jack decides to give Buddy a shot.

Georgie begins to second-guess her decision to run away from Heartland, while the family bands together to find her.

While trying to help Cass learn to handle a spirited horse, Amy discovers there is more riding on their success than she initially realized.

When their plans to get away are thwarted, Amy and Ty celebrate their first anniversary closer to home and Amy unveils a special surprise.

Amy helps Lou form a connection with a new horse. A crisis at the wildlife reserve bring Georgie and Adam together. When Jack faces a deadly threat it prompts Mitch to open up about his past.

An out-of-town horse clinic takes a dangerous turn for Amy, Tim and Georgie. Jack is caught in the middle when Mitch's elevated status makes Peter feel like an outsider. In Mongolia, Ty and Bob try to save an endangered bear's life.

Amy, plagued by cramps, stays with the horse trapped in the trailer while Georgie goes searching for Tim. Ty and Bob perform surgery on a Gobi bear cub shot by poachers. Peter and Lou address the divorce papers and the impact it will have.

The family rallies around Amy to support her while Ty is admitted to the hospital after returning from Mongolia. Georgie helps Olivia save her horse from being put down. One of Lou's investors pulls out at the last minute.

With Caleb and Cassandra's wedding as well as the birth of Amy and Ty's baby on the horizon, everyone is rushing to make sure both events go down without a hitch.

The accidental death of Georgie's real parents comes to a head when her brother sends her a newspaper article.

Old friends return to Heartland and Amy tries to help their son form a connection with a dude ranch horse. Georgie, Adam and Wyatt go on a road trip. Peter worries when Katie doesn't come home from a trail ride.

Amy and Tim arrive in Mongolia, but find out that Ty is in danger. Georgie's confidence is rattled by Val right before her upcoming competition. Mitch and Peter end up taking care of a cranky Lyndy together.

Right before the Fall Finale, Georgie is given a new offer by Val. Ty enlists Caleb's help in fulfilling a promise he made. Amy works on something special with Spartan before Lyndy's naming ceremony. Tim gets news he finds hard to share.

Amy and Ty treat an injured animal while on Lyndy's first camping trip. Jade has a bad fall off a bronc, and Tim and Georgie try to convince her to see a doctor. Georgie starts working with her new coach.

When the new manager at Fairfield comes to them with an unusual concern, Amy and Ty find themselves at odds about how best to treat her horse. Lou and Peter don't see eye to eye when Georgie is offered a life-changing opportunity.

Lou returns with an unconventional idea to attract guests to the Dude Ranch. Georgie's dedication to training takes a massive toll on her relationship.

Amy and Ty work together to treat a doped racehorse, but when it turns into a race against the clock Amy looks to an unexpected source for help.

Amy is hired to gentle one of the wild horses, but his temperament may prove impossible to work with. Meanwhile, Georgie is dragged to a university open house by Peter and ends up face to face with Wyatt after months apart.

A dangerous windstorm wreaks havoc on Hudson.

Georgie's graduation has finally arrived but so has a mysterious figure from her past.

When fears of holding on or letting go grip the family, they look to each other for support through dangerous challenges.

Amy grudgingly helps Ty's mother Lily with a traumatized racehorse. Lou gets into even more hot water when she tries to sell Hudson as a "must see" tourist destination.

Disaster strikes Hudson when a train derails and causes an explosion that threatens the town; a wild fire quickly spreads toward the rodeo grounds and, Amy rushes to save the abandoned horses there.

A group of wild horses need new homes. Amy must get back to her Miracle Girl roots and host her first horse clinic in over a year.

Tim seeks out help from an unlikely person when he finds himself competing in a polo match. Amy is concerned her daughter isn't adjusting well to her new reality. She makes a decision that worries Jack.

Caleb finds a memento from the past that he thinks will have special meaning for Amy. But surprisingly, it's Jack who has some mixed emotions stirred up by the gift.

Quinn's wealthy father arrives at Heartland with a life-changing proposition for both Amy and his son.

Amy works with a challenging horse to help a friend of Clint's. She also revives a dream to rebuild the jumping course that she and Spartan practiced on so many years ago.

Amy and Shadow find themselves in jeopardy on a cattle drive; Lou feels overlooked when the issue of Heartland Beef's succession plan is raised; Parker and Katie babysit Lyndy and things go awry.

Tim and Jessica's attempt to throw a "small party" snowballs. Lou struggles to hide a revived past relationship from the family. Amy and Logan continue to work with the wild horse.

Amy debates what to do when she receives money from an unexpected source. Lisa's racing plans are in jeopardy after an accident. Tim worries when Jessica is hiding something. Lou makes a big decision.

An unlucky farewell follows a turbulent incident. Amy worries that Finn's worst case scenario has come to pass. Without Katie's permission, Lou reads her journal.

Amy and Lou go on a road trip to stop a Miracle Girl imposter. Tim puts on a rodeo school showcase, but a series of mysterious events threaten the show. Amy questions if she should visit Finn.

A surprise visitor causes Amy to see Finn differently. A weekend trip to the cabin has Jack struggling with his past while Katie finally opens up. Lou and Peter's dinner party doesn't go as planned

Amy helps Georgie rediscover her passion for showjumping; Lou's surprised when Peter announces he's moving to Heartland; a Winter Fair allows Tim to help Jessica and his rodeo school.

Jack accepts the problems that have caused him and Al Cotter to disagree. Lou and Peter's relationship gets stronger. Georgie makes a crucial decision that will affect the future. Amy develops a new perspective on her direction.

Jack is avoiding Doctor's appointments while driving throughout the country with Ty looking for his trucks. Lou and Peter delay sharing important news with Georgie when she has another confrontation with Olivia.

Tim and Jessica's attempt to throw a "small party" snowballs. Lou struggles to hide a revived past relationship from the family. Amy and Logan continue to work with the wild horse.

Amy, plagued by cramps, stays with the horse trapped in the trailer while Georgie goes searching for Tim. Ty and Bob perform surgery on a Gobi bear cub shot by poachers. Peter and Lou address the divorce papers and the impact it will have.

As the family struggles to cope with recent changes at the ranch, Amy realizes she must reclaim her "Miracle Girl" status and focus on her work with horses.

Old friends return to Heartland and Amy tries to help their son form a connection with a dude ranch horse. Georgie, Adam and Wyatt go on a road trip. Peter worries when Katie doesn't come home from a trail ride.

When Tim's young racehorse Cisco is stolen on the way to his maiden race, Amy and Ty get help tracking him down from an unlikely source -- Ty's step-father, Wade. Meanwhile, when Lou goes off to work, Peter is left to take care of baby Katie and ends up guarding a secret that could break Lou's heart. And Caleb finally convinces Kelly to go out with him, only to have a serious curve-ball thrown his way as he arrives for their date.

Lou continues to chat on-line with the guy that Lisa connected her up with and agrees to meet him. Meanwhile an oil company prospecting (and blasting) near Heartland has upset everyone except two dude Ranch guests who are addicted to fishing and Lou's cinnamon rolls. Caleb tries to mend fences with Amy but when Ashley moves into his trailer things get more complicated.

Amy and Ty treat an injured animal while on Lyndy's first camping trip. Jade has a bad fall off a bronc, and Tim and Georgie try to convince her to see a doctor. Georgie starts working with her new coach.

When the new manager at Fairfield comes to them with an unusual concern, Amy and Ty find themselves at odds about how best to treat her horse. Lou and Peter don't see eye to eye when Georgie is offered a life-changing opportunity.

Ty and Scott Cardinal must survive in the wilderness, at the site of their plane crash, and try to make contact with their rescuers. The other residents of Heartland are not willing to sit around waiting so they load up their horses and head to the area where the plane disappeared to help with the search.