Which animated film did Steven Lisberger direct in 1980 before going on to direct Tron?

The animated film that Steven Lisberger directed in 1980 before going on to direct Tron was Animalympics. This film was a satirical comedy that showcased a variety of animal characters participating in Olympic-like sporting events. Lisberger's work on Animalympics demonstrated his talent and creativity in the animation field, setting the stage for his subsequent success with Tron, a groundbreaking science fiction film that pushed the boundaries of computer-generated imagery in the early 1980s.