The Beast Within

S1 E2: David Banner gets a job at a zoo and finds a lovely young scientist proceeding with the genetic research he had started before being forced to become a homeless wanderer. Banner's interest in the experiments on research animals at the zoo creates a suspicion which is explained when he learns he has stumbled into the middle of a smuggling operation. Banner has to become the Hulk to save himself and the unsuspecting scientist from being victims of their own experiments.