IT'S THE MORNING OF BARNEY'S WEDDING, AND THE GANG MUST TRY TO FIGURE OUT THE NECESSARY INGREDIENTS TO THE STINSON HANGOVER FIXER ELIXIR, ON THE FINAL SEASON OF "HOW I MET YOUR MOTHER," MONDAY, FEB. 24

Ray Wise Returns as Robin's Father

"Rally" - When Barney suffers from the world's worst hangover the morning of his wedding, the gang tries to figure out the far-fetched ingredients to concoct the Stinson Hangover Fixer Elixir, on the final season of HOW I MET YOUR MOTHER, Monday, Feb. 24 (8:00-8:30 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

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

RECURRING CAST:

Bob Saget (Narrator)

GUEST CAST:

Ray Wise (Robin Sr.)
Spencer Ralston (Marvin)
Stephen Grove Malloy (Budi)
Sharline Liu (Photographer)
Mariangela Pagan (Mother)
Katie Silverman (Little Girl)
Dexter Cross (Little Boy)
Robert Belushi (Linus)
Katrina Norman (Tribe Leader
Napoleon Ryan (Claude)
Lou Cutell (Uncle Mort)
Marjorie Lovett (Aunt Muriel)

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

DIRECTED BY: Pamela Fryman

RATING: To Be Announced