The movie starts off on Tamagotchi Planet where Mametchi just finished his new invention. At the same time on Earth, Tanpopo goes off to deliver a forgotten item to her mother. Tanpopo and Mametchi are about to become older siblings, and they are wondering if they can handle the responsibilities of being siblings. Next, Memetchi and Kuchipatchi arrive at Mametchi's house just in time to see Mametchi take a test of his new "Forwarding Machine" for the first time. In the time between activation and the start of "forwarding", (7000 seconds), several unlikely events (involving Kuchipatchi) result in the aim of the Forwarding Machine to go off course, and Tanpopo is brought to Tamagotchi Planet. Everyone screams, and she is thrilled to see her favorite Tamagotchis in person, but soon realizes t