It's Lilo's birthday, but no one has remembered. So, she decides to give herself her own party. However, during the day, Experiment #303 is activated and wipes Lilo's, Stitch's and Gantu's memory. Lilo and Gantu, who think they are Martha and Lenny go after Stitch, who has returned to his natural destructive programming, and so they think is a criminal.

Experiment 251: LINK

After being inadvertently activated, Experiment 251(later called Link),starts joining people together with a sticky rope. He joins, among others, Lilo and Mertle, Jumba and Pleakley, and Nani and Stitch. Will Lilo be able to capture the experiment? Will teamwork save the day?