How I Met Your Mother
The Mermaid Theory
Season 6, Episode 11 · Aired 2010-12-06
Synopsis
When Ted's new friendship with Zoey tests the theory that men and married women can't be friends, he invites her husband, "The Captain," to hang out with them. Meanwhile, Marshall and Robin decide to spend alone time together.
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