AS CHRISTMAS APPROACHES, TED WRESTLES WITH THE DILEMMA OF TELLING ROBIN ABOUT BARNEY'S PLANS TO PROPOSE TO PATRICE, IN A SPECIAL ONE-HOUR EPISODE OF "HOW I MET YOUR MOTHER," MONDAY, DEC. 17

Seth Green ("Buffy the Vampire Slayer") Guest Stars as Daryl LaCorte, Marshall and Lily's Acquaintance in College, and Peter Gallagher ("The OC") Guest Stars as Ted's Former Architecture Professor

"The Final Page, Part One And Two" - With Christmas fast approaching, Barney tells Ted that he plans on proposing to Patrice, which leads Ted to debate whether or not to tell Robin. Meanwhile, Marshall and Lily run into an acquaintance from college, on a special one-hour episode of HOW I MET YOUR MOTHER, Monday, Dec. 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Seth Green ("Buffy the Vampire Slayer") guest stars as Daryl LaCorte, Marshall and Lily's acquaintance in college, and Peter Gallagher ("The OC") guest stars as Ted's former architecture professor.

SERIES REGULARS:

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

RECURRING CAST:

Bob Saget (Narrator)

GUEST CAST:

Alexis Denisof (Sandy Rivers)
Ellen D. Williams (Patrice)
Seth Green (Daryl LaCorte)
Peter Gallagher (Professor Vinick)

WRITTEN BY: Carter Bays and Craig Thomas, co-creators and executive producers

DIRECTED BY: Pamela Fryman

RATING: To Be Announced