How many movies have Dawn Wells and Russell Johnson acted in together?

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 Surviving Gilligan's Island: The Incredibly True Story of the Longest Three-Hour Tour in History (2001). They have not worked together since Surviving Gilligan's Island: The Incredibly True Story of the Longest Three-Hour Tour in History (2001). They are most known for their comedy films together.