Bullwinkle and Rocky fly to a mysterious monster-inhabited island to meet the missing mad scientist that created the serum that turned Bullwinkle into a monster, only to learn of the biggest, meanest monster on the island, Humongalon.
Released: Jan 01, 1970
Runtime: 00:30:14 minutes
Genre: Animation, Comedy, Family
Stars: Tara Strong, Brad Norman, Ben Diskin, Rachel Butera, Piotr Michael, Daran Norris