Malcolm in the Middle - Series 5 - Experiment

Sitcom about a gifted boy growing up in a chaotic family. When Lois and Hal force a reluctant Dewey into the humiliation of door-to-door candy-bar selling, Dewey adopts underhand tactics to get through the unbearable task. He tells each one of his neighbours all profits will go to good causes - and sales go through the roof. Meanwhile, Malcolm and Stevie are racking their brains on an impossible science experiment. Reese offers to help.