How I Met Your Mother
Do I Know You? (09/22/2008)
Overview
Ted and Stella get engaged, but Ted soon learns that he doesn't know anything about her. Meanwhile, Barney confesses to Lily that he's in love with Robin.
Main Cast
Josh Radnor
Ted Mosby
Neil Patrick Harris
Barney Stinson
Jason Segel
Marshall Eriksen
Alyson Hannigan
Lily Aldrin
Cobie Smulders
Robin Scherbatsky