Episode 1x11 of the awesome old show Big Wolf on Campus.
Merton has long idolized lycanthrope expert Professor Flügelhoff, and all seems super when the good professor offers Tommy a cure to his condition. There's just one little catch: The cure will kill him! Flügelhoff plans on using chemicals extracted from Tommy to create an evil invincible werewolf army of the night to take over the world.-www.bigwolfoncampus.org