Sick Day is a Jimmy Neutron book based on the episode Journey to the Center of Carl.
Jimmy invents a sick patch - put it on and you're sick. Take it off and you're well again. He gives it to all his friends, and suddenly every kid in Retroville is staying home from school! How long will the fun last? Find out in this most unusual adventure!
- Hugh makes Jimmy drink a disgusting homemade health shake, which does not occur in the episode.