Sesame Street Mecha Builders Episode 3 That Old Time Rock Rolls / Make Like a Banana Split Episode Title: That Old Time Rock Rolls / Make Like a Banana Split Episode Description: Berta is taking a picture with the Big Old Boulder for the city’s museum, but she needs the Mechas' help when the boulder starts rolling down a hill! The Mechas work together to get the rock back up the hill -- and keep it there! It’s Food Day in Pretty Big City, and the city is celebrating by unveiling a banana split statue! But when the statue is revealed, the banana atop the banana split statue is not split! The Mechas need to fix it quickly, before everyone’s Food Day ice cream melts.