Ted finally finishes telling his kids the story of how he met their mother.
With only a half-hour to go, both Barney and Robin have panic attacks about their upcoming nuptials. Meanwhile, Marshall and Lily rewrite their old wedding vows.
When Gary Blauman shows up at the wedding, it sends the gang into a frenzy as they each recall an encounter with him.
Marshall enlists Ted and Barney to help him figure out where Lily went when she left in the middle of their fight.
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.
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.
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.
Barney explains that only 'the living' should wear suits; 'the dead' should be naked.
Barney and Marshall make a bet over what Robin's secret is - that she was either a porn star or secretly married. Winner slaps loser.
Mary Beth and Natalie join the limo party.
Barney reveals Robin's secret name "Robin Sparkles" and her online porn identity.
Robin falls into horse crap during a newscast.
Clips from season one including interviews with Josh Radnor, Jason Segel, Cobie Smulders, Neil Patrick Harris, Alyson Hannigan, Bob Saget and creators Carter Bays and Craig Thomas
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.
Marshall and Ted pray that Tivo record the Super Bowl, or they will destroy Tivo.
How I Met Your Mother: Season 6 clip - starring Josh Radnor, Jason Segel, Cobie Smulders, Alyson Hannigan, Neil Patrick Harris, Bob Saget.
Robin and Ted go out on their first date and discover they have everything in common, but Ted chickens out on the kiss.
Ted and Robin meet at a local bar when Barney pulls his "have you met Ted?" routine.
Lily paints Barney in the nude for money.
Marshall finally loses it when his law book gets ruined at their third party for the absent Robin.
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