Dora the Explorer (2000)

S3E3 Roberto the Robot

While exploring, Dora and Boots stumble upon a dormant robot. After powering him up with eight batteries, they learn his name is Roberto and that he’s trying to find his way back to his grandfather, his inventor. To help Roberto reunite with his grandpa, the trio embarks on an adventurous journey that takes them across The Railroad Bridge, past a Volcano, and ultimately to Grandpa's House.