Duration: 23m

TV-14 7.4 Comedy / Drama / Romance

How I Met Your Mother S4E18

Barney and Marshall hide Ted's project cancellation, while they investigate Robin's past.

Release Date: March 23, 2009 (USA)

Creator: Craig Thomas & Carter Bays

Cast: Josh Radnor, Neil Patrick Harris, Jason Segel, Alyson Hannigan, Cobie Smulders, Lyndsy Fonseca, David Henrie, Cristin Milioti, Marshall Manesh