12. Episode 1197 (1978)
Bob tells Oscar not to litter. Sponsored by I, U, 2.
Release date: 1978-12-12
Season number: 10
Episode number: 12
Runtime: minutes
Cast
Kevin Clash
as Elmo/Hoots the Owl/Baby Natasha (voice)
Caroll Spinney
as Big Bird
Frank Oz
as Bert
Sonia Manzano
as Maria Figueroa Rodriguez
Roscoe Orman
as Gordon Robinson
Martin P. Robinson
as Telly Monster/Aloysius Snuffleupagus/Irvine/Slimey (voice)
Richard Hunt
as
Fran Brill
as Zoe/Prairie Dawn (voice)
Leslie Carrara-Rudolph
as Abby Cadabby
Leslie Carrara-Rudolph
as Muppet
Leslie Carrara-Rudolph
as Virginia Virginia
Leslie Carrara-Rudolph
as Grouch
Caroll Spinney
as Oscar the Grouch
Caroll Spinney
as Sam the Robot
Caroll Spinney
as Bennett Snerf
Caroll Spinney
as Cookie Monster
Kevin Clash
as Clementine
Kevin Clash
as Hoots the Owl
Kevin Clash
as Baby Natasha
Dave Goelz
as
Eric Jacobson
as
Jim Henson
as
Linda Bove
as Linda
Pam Arciero
as
Joey Mazzarino
as Stinky
Joey Mazzarino
as Murray & Blogg
Martin P. Robinson
as Irvine
David Rudman
as Cookie Monster / Two-Headed Monster
David Rudman
as Two-Headed Monster
Suki Lopez
as Nina
Violet Tinnirello
as Charlie
Jennifer Barnhart
as Zoe (voice)
Ryan Dillon
as Elmo (voice)
Alan Muraoka
as Alan