How I Met Your Mother | The Mermaid Theory
Genre: Comedy
Director: Carter Bays, Craig Thomas
Cast: Alyson Hannigan, Cobie Smulders, Cristin Milioti, Jason Segel, Josh Radnor, Neil Patrick Harris
Description: : 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.