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Definitions is the first episode of the fifth season of How I Met Your Mother, and the eighty-ninth episode overall.
Josh Radnor (Ted Mosby),
Jason Segel (Marshall Eriksen),
Cobie Smulders (Robin Scherbatsky)
Neil Patrick Harris (Barney Stinson)
Alyson Hannigan (Lily Aldrin)
Joe Manganiello (Brad)
Kim Matula (Girl #1),
Laura Ornelas (Girl #2),
Brett Rybeck (Guy #1),
Abhi Sinha (Guy #2),
Dale E. Turner (Calzonetti)
Behind the Scenes