How I Met Your Mother › Season 4

S4 E1: Do I Know You?

Name: Do I Know You?
Released: 2008-09-22

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.

Air date	Sep 22, 2008
Runtime	23 minutes
TMDB rating	★ 8.2/10