28. How to Build a Dinosaur (2019)
Grover, Elmo, and Rosita are imagining that they are paleontologists, a scientist who digs through dirt and stones to find fossils.
Release date: 2019-05-25
Season number: 49
Episode number: 28
Runtime: minutes
Guest stars
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)
Suki Lopez
as
Alan Muraoka
as Alan