Watch Alvin and the Chipmunks Meet Frankenstein

Alvin, Simon and Theodore are performing a concert at Majestic Movie Studios. They decide to explore the area and end up lost in the park. While they are looking around, they discover Dr. Frankenstein. He is working on a monster that the boys name Frankie. Theodore drops his bear, and Frankie follows the boys home to give Theodore back his stuffed animal.

Alvin and the others learn that Frankie has a good heart, but he needs to be trained in how to be nice to others. Dr. Frankenstein finds his monster, and he kidnaps Alvin, taking him back to his lab. Alvin is given a potion, and the effects make Alvin crazy. Simon and Theodore try to create a potion that will turn Alvin back into his normal self.