Laughter makes you happy! That's why Tobi is all about laughter. Tobi finds out how to make a whole audience giggle. But he meets an absolute expert: the clown Tonito. In the Munich pedestrian zone Tobi meets psychologist Laura. With her he starts a great joke experiment. Finally, Tobi meets pediatrician and cabaret artist Omar in Vienna. He explains to Tobi what happens while laughing in the body.
