Bobo learned about famous inventors in school, which is why he wants to become an inventor too. He wants to make a very special miracle drink together with Tjerk. Bobo makes a drink and Tjerk is the guinea pig, but Tjerk doesn't want that. Scribble impersonates a frog to practice for prom because she has to play a frog. Due to a misunderstanding, Bobo thinks he made Scribble act like a frog.
