How many movies have Al Schwartz and Bob Denver collaborated on?

They have worked on 4 movies together! Their first movie together was Rescue from Gilligan's Island (1978) while their highest rated movie together was The Castaways on Gilligan's Island (1979). They have not worked together since The Harlem Globetrotters on Gilligan's Island (1981). They are most known for their tv movie films together.