as Himself

as Big Bird / Oscar the Grouch

as Linda

as Luis

as Susan

as Bob

as Gordon

as Olivia

as Mr. Hooper

as Barkley

as Mr. Johnson / The Count / Mr. Snuffleupagus (archive footage)

as Grover / Cookie Monster / Bert (archive footage)

as Himself (archive footage)

as Arthur "The Fonz" Fonzarelli (archive footage)

as Richie Cunningham (archive footage)

as Wolfgang (archive footage)

as Himself (archive footage)

as Himself (archive footage)

as Joey (archive footage)

as Himself, as twins (archive footage)

as Ben Cartwright (archive footage)

as Little Joe (archive footage)

as Hoss (archive footage)

as Himself (archive footage)

as Kermit the Frog / Ernie (archive footage)

as Pilot (archive footage)

as Toccata (archive footage)

as Mordicus (archive footage)

as Epi (voice) (archive footage)

as Blas (voice) (archive footage)

as Maria (archive footage)

as Himself (archive footage)

as Mr. Snuffleupagus (archive footage)

as David (archive footage)

as Buffy (archive footage)