Episode Overview
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.
Guest Stars
Brendan Patrick Connor
Janitor
Dawn Olivieri
Anna
Maïté Schwartz
Holly
Chris Tallman
Mark
Yvonne Delarosa
Charna
Ken Barnett
Colton Dunn
April Bowlby
Meg
Katie Savoy
Karen
Kathy Uyen
Julia