How I Met Your Mother
Definitions
Season 5, Episode 1 · Aired 2009-09-21
Synopsis
When the gang finds out that Barney and Robin are hesitant to define their relationship, Lily forces them to confront their biggest fear...becoming boyfriend/girlfriend. Meanwhile, Ted is anxious about teaching his first lecture at Columbia.
In the series
This episode is part of How I Met Your Mother (2005–2014) on CBS.
A long setup about a mother, with slap bets and yellow umbrellas.
Key cast
- Josh Radnor as Ted Mosby
- Jason Segel as Marshall Eriksen
- Cobie Smulders as Robin Scherbatsky
- Neil Patrick Harris as Barney Stinson
- Alyson Hannigan as Lily Aldrin
- Cristin Milioti as The Mother