How I Met Your Mother: Season 2 Episode 9: Slap Bet
Starring: Josh Radnor, Jason Segel, Cobie Smulders, Neil Patrick Harris, Rachel Specter, Wayne Nickel, George Clinton, David Henrie
Length: 23 minutes
How I Met Your Mother: S02E09 Description: The gang discovers that Robin’s been hiding a huge secret, but they have no idea what it is. Marshall thinks she is married, and Barney thinks she was a porn star.