How many movies have Frank Oz and John Thirtle collaborated on?

They have worked on 2 movies together! Their first movie together was The Muppet Christmas Carol (1992) and was their highest rated movie together. They have not worked together since Muppet Treasure Island (1996).

Crew
Producer
Role
Additional Muppet Performer
Role
Miss Piggy / Fozzie Bear / Sam the Eagle / Animal (voice)
Crew
Executive Producer
Role
Additional Muppet Performer (voice)
Role
Miss Piggy as Emily Cratchit / Fozzie Bear as Fozziewig / Sam the Eagle as Headmaster of Junior High Graduates / Animal / George the Janitor / Horse and Carriage Driver / Vegetable Salesman (voice)