How many movies have Fred Silverman and Judith Scheurwater collaborated on?

They have worked on 8 movies together! Their first movie together was Perry Mason: The Case of the Lost Love (1987) while their highest rated movie together was Perry Mason: The Case of the Sinister Spirit (1987). They have not worked together since Diagnosis Murder: A Twist of the Knife (1993). They are most known for their mystery films together.