Richie and Professor Van Dumpling escape from kidnappers by using a weather controlling hat.; The Rich labs newest invention can switch the personality of animals and people.; Richie and Cadbury run out of fuel during a space flight.; Mr. Polka takes Dot and Lotta to a football game.; Dot splashes red paint on her face and her father thinks it's chicken pox.; A bully disguises himself as Gerald in order to cause trouble.; Richie uses his mother's diamond necklace as a hammer.; The upstairs maid loses an emerald earring.; Lotta's wish for a piece of cake comes true.