Barney's efforts to hook up with women are being thwarted by a mysterious woman from his past. Barney and the gang must sift though his many past flings in an attempt to find out who she is.
Released: 2008-03-31
Runtime: 50 minutes
Genre:
Stars: Josh Radnor, Neil Patrick Harris, Jason Segel, Alyson Hannigan, Cobie Smulders