 Leo and the team recount how they first connected with Rocket and became the Little Einsteins. Rocket used to be a toy in baby Leo s mobile, but when the team sings Rocket s song, big Rocket comes back to Leo s backyard! The team is excited, but now they have to find a house big enough for a big Rocket. They travel all over the globe looking for Rocket s home, but eventually they realize that he belongs in the backyard with them!