- Frank Oz (Bert)
- Sonia Manzano (Maria Figueroa Rodriguez)
- Roscoe Orman (Gordon Robinson)
- Martin P. Robinson (Telly Monster/Aloysius Snuffleupagus/Irvine/Slimey (voice))
- Suki Lopez (Nina)
- Violet Tinnirello (Charlie)
- Jennifer Barnhart (Zoe (voice))
- Ryan Dillon (Elmo (voice))
- Alan Muraoka (Alan)
Sesame Street — S49E35
Episode: Cookie Monster's Museum Mystery
Air Date: 2019-07-13
Overview
A brand-new museum has opened on Sesame Street - the Museum of Modern Cookie! Cookie Monster, Elmo and Chris are very excited to check it out. While walking around the museum, the paintings suddenly begin to disappear and the museum guards think Cookie Monster stole them. With Abby's help, Cookie Monster, Elmo and Chris catch who really was taking the cookie art. Season finale.