How I Met Your Mother Woooo! (Season 4, Episode 8)
TV-PG
TV Episode | 22 min | Comedy, Drama, Romance

How I Met Your Mother

Woooo! (Season 4, Episode 8)

TV-PG

TV Episode | 22 min | Comedy, Drama, Romance

Lily is disappointed to discover that Robin is secretly a "Woooo! Girl," and Barney secretly sabotages Ted's chance to get the contract to design a new bank skyscraper.

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Cast	+ Add Cast
17 cast members

Name	Known for
Josh Radnor Ted Mosby Ted Mosby See fewer	Liberal Arts (2012)
Jason Segel Marshall Eriksen Marshall Eriksen See fewer	Forgetting Sarah Marshall (2008)
Cobie Smulders Robin Scherbatsky Robin Scherbatsky See fewer	The Avengers (I) (2012)
Neil Patrick Harris Barney Stinson Barney Stinson See fewer	A Series of Unfortunate Events (2017)
Alyson Hannigan Lily Aldrin Lily Aldrin See fewer	Buffy the Vampire Slayer (1997)
Jamie-Lynn Sigler Jillian Jillian See fewer	The Sopranos (1999)
Bryan Callen Bilson Bilson See fewer	Warrior (2011)
Kevin Christy Sven #1 Sven #1 See fewer	Race to Witch Mountain (2009)
Krista Kalmus Misty Misty See fewer	Fired Up! (2009)
Erika Medina Stacey Stacey See fewer	Cheaper by the Dozen (2022)
Jae Suh Park Crystal (as Jae Suh) Crystal (as Jae Suh) See fewer	Friends from College (2017)
Ted Cannon Sven #3 Sven #3 See fewer	Party Girl (2016)
Sam Littlefield Sven #2 Sven #2 See fewer	The Leftovers (2014)
Matthew Stephen Young Mechanical Bull Operator Mechanical Bull Operator See fewer	How I Met Your Mother (2005)
Christopher Reddick-Johnson Country Bar Attendee (uncredited) Country Bar Attendee (uncredited) See fewer	Truly Blessed (2009)
Bob Saget Narrator (voice) (uncredited) Narrator (voice) (uncredited) See fewer	Full House (1987)
David Wuest Country Bar Attendee (uncredited) Country Bar Attendee (uncredited) See fewer	American History X-Men (2014)