From Muppet Wiki

Rocco is Zoe's pet rock. It was introduced in Season 30 of Sesame Street. Elmo doesn't understand why Zoe lugs a rock around, and sometimes feels jealous of Rocco.

Rocco appeared in Sesame Street Live production "Super Grover! Ready for Action".

Filmography

• Episode 4016 -- Zoe and Rosita have a play date with Rocco
• Episode 4043 -- Elmo and Zoe search for Rocco
• Episode 4058 -- Best pet in the world
• Episode 4064 -- Rocco's new dance
• Episode 4077 -- Elmo feels he's treated unfairly by Rocco
• Episode 4097 -- Rock sitter for Rocco
• Episode 4099 -- Rocco takes part in a science experiment
• Episode 4121 -- Telly's Doll Freddy Wants to Play With Rocco
• Episode 4126 -- Zoe Has a Birthday Party For Rocco
• Elmo's World: Friends