How I Met Your Mother: 6x11
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 - 1Big Days Sep. 20, 2010
6 - 2Cleaning House Sep. 27, 2010
6 - 3Unfinished Oct. 04, 2010
6 - 4Subway Wars Oct. 11, 2010
6 - 5Architect of Destruction Oct. 18, 2010
6 - 6Baby Talk Oct. 25, 2010
6 - 7Canning Randy Nov. 01, 2010
6 - 8Natural History Nov. 08, 2010
6 - 9Glitter Nov. 15, 2010
6 - 10Blitzgiving Nov. 22, 2010
6 - 11The Mermaid Theory Dec. 06, 2010
6 - 12False Positive Dec. 13, 2010
6 - 13Bad News Jan. 03, 2011
6 - 14Last Words Jan. 17, 2011
6 - 15Oh Honey Feb. 07, 2011
6 - 16Desperation Day Feb. 14, 2011
6 - 17Garbage Island Feb. 21, 2011
6 - 18A Change of Heart Feb. 28, 2011
6 - 19Legendaddy Mar. 21, 2011
6 - 20The Exploding Meatball Sub Apr. 11, 2011
6 - 21Hopeless Apr. 18, 2011
6 - 22The Perfect Cocktail May. 02, 2011
6 - 23Landmarks May. 09, 2011
6 - 24Challenge Accepted May. 16, 2011