Be Cool, Scooby-Doo! - Season 2 Episode 25 -

Fred's old friend Rose makes the gang prime suspects in the Professor Huh? escape, and they are forced to flee from the police. After narrowly escaping from a rocket and Professor Huh?, the gang attempts to go incognito in order to solve the mystery. A high-speed chase from the police quickly ensues, and the gang realizes that the Professor Huh? mystery goes much deeper than they could have ever imagined.