LILY AND MARSHALL ARE LESS THEN THRILLED WHEN TED REUNITES WITH HIS POMPOUS EX-GIRLFRIEND FROM COLLEGE, ON "HOW I MET YOUR MOTHER," MONDAY, MARCH 9

Laura Prepon ("That 70s Show") Guest Stars as Karen, Ted's Ex-Girlfriend

"Sorry, Bro" - When Lily and Marshall hear that Ted's college girlfriend, Karen, has moved to New York City, they finally reveal how much they hated her back then, on HOW I MET YOUR MOTHER, Monday, March 9 (8:30-9:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

Ted: Josh Radnor
Marshall: Jason Segel
Barney: Neil Patrick Harris
Lily: Alyson Hannigan
Robin: Cobie Smulders

RECURRING CAST

Narrator: Bob Saget
Bilson: Bryan Callen
Wendy: Charlene Amoia

GUEST CAST:

Karen: Laura Prepon
Trevor: Rowly Dennis
Curt: Hayes MacArthur
8-year old Marshall: Koby Rouviere
8-Year Old Nicole: Laura Ann Kesling
Jerry: Houston Rhines
Scooter: David Burtka
Darren: Patrick Moote
Blauman: Taran Killam

WRITTEN BY: Craig Gerard and Matthew Zinman

DIRECTED BY: Pamela Fryman

RATING: To Be Announced