THE CAST OF "HOW I MET YOUR MOTHER" CELEBRATES THE SHOW'S 100TH EPISODE BY REVEALING THEIR FAVORITE MOMENTS FROM THE SERIES

LOS ANGELES, Jan. 6 - In honor of HOW I MET YOUR MOTHER's 100th episode, the stars take a look back and share their favorite moments from the show, currently in its fifth season. The 100th episode of HOW I MET YOUR MOTHER airs Monday, Jan. 11 (8:00-8:30 PM, ET/PT) on the CBS Television Network.

Josh Radnor (Ted Mosby) loves all of the episodes that show college flashbacks, including "Sorry Bro" (originally broadcast 3/9/09) guest starring Laura Prepon, in which Lily and Marshall hear that Ted's college girlfriend, Karen, has moved to New York City and they finally reveal how much they hated her back then.

Neil Patrick Harris (Barney Stinson) really loved spinning the wheel with Bob Barker in the episode "Showdown." (Originally broadcast 4/30/07)

Jason Segel (Marshall Eriksen) loves the episode "Slapsgiving 2: Revenge of the Slap," (originally broadcast 11/23/09) and enjoyed working with Chris Elliot, who played Lily's father in the episode.

Alyson Hannigan (Lily Aldrin) still tears up when talking about the USC marching band at baggage claim in the episode "Three Days of Snow." (Originally broadcast 1/19/09).

Cobie Smulders (Robin Sherbatsky) enjoys portraying Robin Sparkles, especially in the episode "Sandcastles in the Sand" (originally broadcast 4/21/08) in which she filmed a music video featuring Alan Thicke, James Van Der Beek and '80's pop star Tiffany.