How I Met Your Mother Season 6 Episode 11
The Mermaid Theory
When Ted's new friendship with Zoey tests the theory that single 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, and Barney and Lily possibly have a fight.
- 6 - 24Challenge AcceptedMay. 16, 2011
- 6 - 23LandmarksMay. 09, 2011
- 6 - 22The Perfect CocktailMay. 02, 2011
- 6 - 21HopelessApr. 18, 2011
- 6 - 20The Exploding Meatball SubApr. 11, 2011
- 6 - 19LegendaddyMar. 21, 2011
- 6 - 18A Change of HeartFeb. 28, 2011
- 6 - 17Garbage IslandFeb. 21, 2011
- 6 - 16Desperation DayFeb. 14, 2011
- 6 - 15Oh HoneyFeb. 07, 2011
- 6 - 14Last WordsJan. 17, 2011
- 6 - 13Bad NewsJan. 03, 2011
- 6 - 12False PositiveDec. 13, 2010
- 6 - 11The Mermaid TheoryDec. 06, 2010
- 6 - 10BlitzgivingNov. 22, 2010
- 6 - 9GlitterNov. 15, 2010
- 6 - 8Natural HistoryNov. 08, 2010
- 6 - 7Canning RandyNov. 01, 2010
- 6 - 6Baby TalkOct. 25, 2010
- 6 - 5Architect of DestructionOct. 18, 2010
- 6 - 4Subway WarsOct. 11, 2010
- 6 - 3UnfinishedOct. 04, 2010
- 6 - 2Cleaning HouseSep. 27, 2010
- 6 - 1Big DaysSep. 20, 2010