18. What Floats Rocco's Boat (2020)
Elmo and Zoe try to figure out how to make Rocco the rock float. Leela helps them experiment with different materials until they design the perfect vessel.
Release date: 2020-03-14
Season number: 50
Episode number: 18
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)
Suki Lopez
as Nina
Violet Tinnirello
as Charlie
Jennifer Barnhart
as Zoe (voice)
Ryan Dillon
as Elmo (voice)
Alan Muraoka
as Alan