How many movies have Diana Birkenfield and Frank Oz collaborated on?

They have worked on 7 movies together! Their first movie together was The Great Santa Claus Switch (1970) while their highest rated movie together was The Fantastic Miss Piggy Show (1982). They have not worked together since The Muppets at Walt Disney World (1990).

Crew
Producer
Role
Miss Piggy / Fozzie Bear / Animal (voice)
Crew
Executive Producer
Role
Fozzie Bear / Miss Piggy / Sam the Eagle / Bert / Animal / Grover / Cookie Monster / Marvin Suggs
Crew
Co-Producer
Role
Miss Piggy / Fozzie Bear / Animal (voice)
Crew
Associate Producer
Role
Bert / Cookie Monster / Grover (voice)
Crew
Associate Producer
Role
Thig/Skippity/Hoppity/Boppity/Snerf (voice)