Marshall enlists Ted and Barney to help him figure out where Lily went when she left in the middle of their fight. (TV-14 D, L)
On the morning of the wedding, Lily and Robin have a fight and Barney freaks out about which suit to wear. Meanwhile, the gang watches a movie Ted has forbidden them to see. Lucy Hale, Chris Kattan, and Jon Heder guest star. (TV-14 D, L)
When Barney suffers from the world's worst hangover the morning of his wedding, the gang tries to figure out the far-fetched ingredients to concoct the Stinson Hangover Fixer Elixir. (TV-14 D, L)
While out looking for an inebriated Barney on the day of the wedding, Robin and Ted reminisce about past relationships. Meanwhile, Marshall and Lily finally resolve their issues and Barney befriends two young guys eager to meet women.
On the 200th episode, The Mother recounts how she met Ted and what she’s been up to for the past eight years.
When Barney drinks too much, Ted and Robin take advantage of him and get him to reveal secrets he’s been hiding for years. Meanwhile, Marshall does everything he can to avoid fighting with Lily.
In an attempt to deliver a devastating final slap to Barney, Marshall explains how he mastered the Slap of A Million Exploding Suns.
The gang encounters a guy at the wedding who intentionally stirs up trouble among them, and Marshall finally arrives at the Farhampton Inn.
Barney becomes fixated on having his rehearsal dinner at a laser tag arena, much to Robin’s dismay. Meanwhile, Ted doesn’t come through on a promise, which aggravates Lily.
To get his restless son to go to sleep, Marshall tells him three tales in rhyme: "Mosby at the Bat," "Robin take the Cake," and "Barney Stinson, Player King of New York City."
When Barney’s father arrives at the hotel, Barney devises a plan that makes Robin very nervous. Meanwhile, Ted is convinced someone framed him by messing up a wedding-related duty.
In a flashback episode, the gang ponders the future of the Ted, Robin and Barney love triangle. Meanwhile, Barney accepts a series of challenges from Lily and Robin.
When Robin and Loretta's conflict escalates, Barney is caught in the middle. Meanwhile, Marshall and Daphne deal with a stowaway on their road trip, and Ted and Cassie try to enjoy a trip to a lighthouse. (TV-14 D, L)
When Daphne sends a troubling text message to Lily, Marshall enlists the gang’s help to remove the message while enforcing the “No Questions Asked” rule.
When Ted finds himself with three prospects to be his date for the wedding weekend, he chooses poorly. Meanwhile, Barney and Robin have a confrontation with their minister, and Marshall learns more about his driving companion, Daphne.
When Barney is forced to pick sides in a fight between Robin and his mother, Lily coaches him on how not to ruin his relationship. Meanwhile, Ted and Marshall get into a dispute over wedding gifts and thank-you notes.
Neil Patrick Harris invites you to say farewell to How I Met Your Mother by sending in your tweet, Facebook post or Instagram using #HIMYMFarewell.
When Gary Blauman shows up at the wedding, it sends the gang into a frenzy as they each recall an encounter with him, on the final season of How I Met Your Mother, Monday, 8/7c. Wayne Brady and Taran Killam guest star. Only CBS
Marshall sings the classic, "You Just Got Slapped"
Mary Beth and Natalie join the limo party.
Ted laments becoming the guy who tells people what to do.
Barney has a difficult time pleasing Marshall's professor in bed.
Ted gets drunk and immediately starts drunk-dialing Robin and making a fool of himself at the local bar, but his friends like it.
How I Met Your Mother: Glitter clip - starring Josh Radnor, Jason Segel, Cobie Smulders, Alyson Hannigan, Neil Patrick Harris, Bob Saget. Directed by Pam Fryman.
Ted and Robin talk about their first fight.
Robin tells Ted that she's secretly married to a Canadian.
Ted and Marshall discuss his imminent engagement.
1980's Canadian pop sensation Robin Sparkles sings her hit single "Let's go to the Mall"
Ted and Barney hit the bar and remember how they met while playing a game of "Have You Met Ted?"
Marshall and Ted pray that Tivo record the Super Bowl, or they will destroy Tivo.
Lily and Robin find out that the man laying in bed is not Ted Mosby.
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