Watch How I Met Your Mother - Season 4 Episode 1 (Do I Know You?)

Release Date: September 22, 2008
Director: Pamela Fryman
Writer: Carter Bays, Craig Thomas

Watch How I Met Your Mother- Season 4 Episode 1 (Do I Know You?) Online at here

Posted in: How I Met Your Mother, How I Met Your Mother - Season 4 Episode 1, How I Met Your Mother - Season 4 Episode 1 (Do I Know You?), How I Met Your Mother S4E1