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Ted's kids hear the end of the story of how he met their mother.

How I Met Your Mother

Last Forever, Part 2

Last Forever, Part 1

With only a half an hour left before the wedding, Robin and Barney panic; Lily and Marshall rewrite their wedding vows.

The End of the Aisle

The members of the gang try to remember an encounter with Gary Blauman when he shows up at the wedding.

Gary Blauman

Marshall asks Barney and Ted for help figuring out where Lily went in the middle of the night during their argument.

Daisy

Robin and Lily have a fight on the morning of the wedding; Barney can't decide what suit to wear; the gang watch a movie that Ted didn't want them to see.

Vesuvius

The gang must figure out how to make the Stinson Hangover Fixer Elixir to help Barney recover on the day of the wedding.

Rally

Robin and Ted reminisce about past relationships as they search for a drunken Barney on the day of the wedding; Lily and Marshall come to a resolution; Barney befriends two men who are eager to meet women.

Sunrise

The mother reveals how she met Ted and what she has been doing over the past eight years.

How Your Mother Met Me

Robin and Ted try to get Barney to reveal secrets after he drinks too much; Marshall tries to avoid fighting with Lily.

Unpause

Marshall tells a story about the Slap of a Million Exploding Suns as he tries to deliver a final, devastating slap to Barney.

Slapsgiving No. 3: Slappointment in Slapmarra

A man at the wedding intentionally stirs up trouble; Marshall finally arrives at the Farhampton Inn.

Bass Player Wanted

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Through a series of flashbacks, a man tells his kids the stories of his youth and how he met their mother.

S9 E21 | Gary Blauman