Cassie Nightingale's and her daughter Grace's charm is no match for Middleton's newest neighbors.

Dr. Sam and many Middletoners take up running to train for an upcoming race. A mysterious woman catches Derek's interest but Brandon is suspicious; a mysterious man follows her around.

Against her best judgment, Cassie agrees to pose as Ryan's girlfriend to make his ex jealous, but this confuses the good doctor and Cassie herself when she and Ryan kiss.

Cassie tries to convince Sam to follow her intuition in order to help a young couple.

A storm continues to threaten the lives of the people in Middleton; Cassie and Sam work together.

Sam's Ex-wife turns up to use Nick to get to Sam. She conspires to get Nick to Hong Kong behind Sam's back, causing mayhem and destruction of feelings. Cassie struggles with the after events of Bryan being in the hospital and her daughter Grace continues to be manipulated by Abigail.

Whilst Cassie struggles with possibly losing her shop, Sam receives an unexpected visit from his ex-wife.

Whilst Cassie deals with the newest guest at Grey House, Grace seeks no advice to help deal with school bullies calling her a witch.

Linda, aiming to reel ex-husband Sam back in, regards Cassie as competition. Abigale proposes becoming Stephanie's business partner - or else. Cassie's "Help Wanted" sign draws interest.

As Sam (against Linda's wishes) mentors Grace through awkward driving lessons, several people advise Stephanie against dwelling over Abigail's business plans.

Both Ryan and John wonder about a future with Cassie, Martha's spoiled son returns home, Linda adjusts Sam's home for her moving in, and Stephanie's meddling mom arrives.

A mother's love guides the behavior of Cassie, Stephanie, Mayor Tinsdale, Linda and the yearning Tara. Elsewhere, there's patient Sharon, Abigail, and handsome John.

Irresponsible grown children seem an issue, with Cassie's latest unpaying guest, Alexis, and with a money pit business proposal from Martha's son, Michael.

Alexis resolves to find a way to pay back Cassie and Abigail for the charges she ran up under false pretenses.

Cassie helps John comb through resumes for his dig in the Maldives.

Sam agrees to examine Cassie's guest Dan, who continues to insist he sees ghosts at Grey House; and, when the town pulls together and delivers a beautiful and surprising anniversary party for Martha, she is truly touched and grateful.

Abigail volunteers to run Middleton's annual Light Festival, but her inattention to any details raises concern.

As Middleton's annual Lights Festival approaches, final decisions about the Maldives dig and London Abroad are made, but circumstances could bring about second thoughts.

The whole town anxiously awaits the impending blooming of the Middleton Merriwick, but when the plant is cut, it has dramatic impact upon the Merriwick women. Grace begins to suspect Nick is going to ask her out.

Abigail, jealous of all the attention Cassie gets from helping her customers, decides to sell "special" Venezuelan chocolates at her flower shop. When the chocolates are a hit and everyone in town seems in a better mood because of them, Abigail can't help but continue to cut corners. Though Liam's son Noah and Nick used to be friends, it's clear when Noah arrives that Nick isn't interested in staying friends.

Cassie and Sam bring Grace and Nick for an overnight at the lake house, hoping time together will help the kids resolve their differences and help the soon-to-be family bond, but Cassie faces a few obstacles before they start acting like a family again.

Grace, in Middleton tradition, enlists the help of the town in making a magical quilt said to grant the wishes of the recipient; Cassie and Sam learn more about each other as secrets are revealed at their bachelor and bachelorette parties.

Sam and Cassie have to accept that their wedding might not be as perfect as planned. In light of her almost-romance with Phil, Abigail's quest to put down roots lands her a new job-the mayor of Middleton.

Cassie (Catherine Bell) and Sam's (James Denton) long-awaited wedding has finally arrived in 'Good Witch,' and they take an enchanting walk down the aisle in 'The Forever Tree - Part 2.' As Middleton prepares for the most enchanting event of the season, Sam receives some magical help from Grace (Bailee Madison) in finding the Forever Tree. However, the wedding brings up complex emotions for Grace, who becomes nostalgic for her late father, while Cassie worries her foster brother will let her down and miss the nuptials. Abigail (Sarah Power) steps up into her mayor duties and makes a surprising ally, while Martha (Catherine Disher) finds a new passion for television. Meanwhile, Nick (Rhys Matthew Bond) takes a step toward finding his future calling, and Stephanie (Kylee Evans) faces an unexpected reaction when she confesses her feelings for the hospital's chaplain.

As Sam (against Linda's wishes) mentors Grace through awkward driving lessons, several people advise Stephanie against dwelling over Abigail's business plans.

Cassie tries to convince Sam to follow her intuition in order to help a young couple.

Dr. Sam and many Middletoners take up running to train for an upcoming race. A mysterious woman catches Derek's interest but Brandon is suspicious; a mysterious man follows her around.

Cassie Nightingale's and her daughter Grace's charm is no match for Middleton's newest neighbors.

Cassie helps John comb through resumes for his dig in the Maldives.

Cassie and Sam bring Grace and Nick for an overnight at the lake house, hoping time together will help the kids resolve their differences and help the soon-to-be family bond, but Cassie faces a few obstacles before they start acting like a family again.