How I Met Your Mother - Episode 4.17 - The Front Porch - Press Release

TED IS SHOCKED TO LEARN THAT LILY IS NOT ONLY RESPONSIBLE FOR HIS BREAKUP WITH KAREN, BUT MANY OF HIS FORMER GIRLFRIENDS AS WELL, ON "HOW I MET YOUR MOTHER," MONDAY, MARCH 16

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

"The Front Porch" - When Karen finds another woman's earring in Ted's bed, he discovers that Lily planted it there on purpose, and that she secretly meddled in some of his previous relationships as well, on HOW I MET YOUR MOTHER, Monday, March 16 (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
Karen......................................... Laura Prepon

GUEST CAST:
Hot Woman #2............................. Nikki Wells
Hot Woman #1................................ Italia Ricci
Hot Woman #3..................... Jessica Anderson

WRITTEN BY: Chris Harris
DIRECTED BY: Rob Greenberg

Source: CBS