S1·E20 Professor Cosmo

Cosmo is nearly late for an inventors competition, but he got to exhibition hall just in time to demonstrate his invention, a mental wavelength modifier. Down in the lobby, Ace is busy signing autographs to his fans when he notices another contestant named Van Scott in trouble with Spade and Diamond. Ace tries to help, but only for Diamond to use Van Scott's invention, a robot to attack Ace and cause trouble in the contest. Cosmo used his invention to stop the robot and ends up winning first place. At this point, Cosmo decided it's time to say good bye to Ace and look towards his own future. Black Jack does not have the robot but he has the remote control so he used it to get the robot away from the police. Back at the Magic Express, Ace practices his newest trick while Cosmo considers loads of offers. When they both found out that the robot is loose again, Cosmo goest to work and Ace goes to Angel. Black Jack uses the robot to steal some weapons but Cosmo stops the robot again. The sh