It's the year 2030 and an older Ted Mosby is telling the story to his son and daughter about how he met and will eventually marry their mother. This is where we meet for the first time Ted, Lily, Marshall, Barney and Robin.

It's New Year's Eve 2005 and Ted spends a large portion of his Christmas bonus for a limo for him and the gang. In addition, he has outlined a plan for how they will ring in the New Year. Unfortunately, things don't always go as planned.

Marshall's game night leads to some startling and very embarrassing revelations.

As the happy couple celebrate their wedding, Ted and Robin tell Barney about the latest development of their relationship.

As the search for Mrs. Right continues, Ted woos his dermatologist Stella -- but her receptionist, Abby, seems more interested in him.

Barney is upset because he violated his own "bro code" by sleeping with Robin. How will Ted react when he learns that Barney slept with his ex-girlfriend?

Ted and Barney get an opportunity to run their own bar during a historic blizzard, while Marshall and Lily try to defy the odds and continue one of their cherished traditions.

When Lily and Marshall realize that Robin and Barney are the perfect double-date friends, they try too hard to impress and come on too strong. Meanwhile, Ted gets a new nickname from Barney after an unsuccessful hook-up.

Barney runs into problems when he displays his cell phone number during the Super Bowl, Ted asks Marshall and Lily to arrange a marriage for him, and Robin thinks that her co-anchor has asked her out on a date.

The guys race each other, each using a different form of transportation, from the pub to a restaurant seven miles away because a friend claims that Woody Allen is there.

In the aftermath of Ted and Zoey's break-up, Ted is having second thoughts. He is freaking out about an issue with the GNB headquarters, and historically when Ted freaks out about something, he turns to dating an old girlfriend if only for something comfortable and familiar, however bad returning to that relationship ended up being. When Barney and Robin find out that Ted is going to meet Zoey to get back together with her, they have to try and figure out where that meeting place is so that they can stop him. Beyond piecing together this puzzle, Barney and Robin's quest leads to them discussing their own relationship. Meanwhile, Lily has come down with a case of food poisoning from some soup. Marshall eats the soup three hours later, which means that his symptoms of excessive vomiting will start three hours later than Lily's did. Marshall has a job interview with a major environmental law firm in a few hours, and he is just hoping that he can make it through the interview without vomiting. Ted and Barney argue about which of them will have the pleasure of pushing the button when the Arcadian gets imploded. And one of these situation is the starting point for an imminent trip to the altar.

Just as Ted starts to settle into his new apartment alone, Barney tries to entice him into going out every single night. Meanwhile, Lily has a naughty dream about someone other than Marshall, and Robin finally becomes a famous news anchor.

Will Ted go to the opening of his new building with Robin as his date, or will he break his promise to Barney and tell her that Barney is proposing to Patrice? Meanwhile, Marshall and Lily have big plans for a rare night out.

As the wedding approaches, Barney and Robin deliberately ruin an obnoxious couple's evening, Marshall and Lily's plans for Italy hit a snag and Ted tells Lily that he's moving to Chicago.

Lily meets an interesting person on the train to Farhampton, Marshall gets kicked off his flight to New York, Barney and Robin discover that they might be related, and Ted prepares to deliver a personal gift to Robin.

Barney gives Ted's Best Man duties to The Karate Kid's William Zabka over the incident at the carousel, and Lily gives Robin a lousy bridal party.

Barney is upset after Robin wins James's wedding ring during the poker game, and Ted argues with Marshall and Lily over whether he gave them a wedding gift.

Barney and James fight over which one of their fathers will get back together with their mom, Ted becomes a victim of "Zabkatage," and Daphne becomes inexplicably upset with Marshall.

The guys try to figure out where Lily went after her fight with Marshall and why. Meanwhile, after a talk with her mother, Robin is concerned that she is marrying her father.

Ted wants to get a wedding guest he especially despises to leave, but Lily wants him to stay because she likes him.

With only half an hour to go, both Barney and Robin have panic attacks about their upcoming nuptials. Meanwhile, Marshall and Lily rewrite their old wedding vows.