After Robin finds out her mother isn't coming to the wedding, the group recalls a fateful night six months ago when Barney accepted the "challenge" of a lifetime, and Ted made a decision about his pursuit of Robin.
Episode rating
Cast of episode
50
45
3
1
1
- Barney Stinson
- Tracy McConnell
- Ted Mosby
- Robin Scherbatsky
- Lily Aldrin
- Marshall Eriksen
- Narrator
- Hammond Druthers
- Toby
- Eddie
- Maitre 'd
- Elaine
- Meredith
- Madeleine
- Basketball Player #29
- Jukebox Girl