How many movies have Arleen Sorkin and Bruce Timm collaborated on?

They have worked on 3 movies together! Their first movie together was Batman: Mask of the Phantasm (1993) and was their highest rated movie together. They have not worked together since Batman Beyond: Return of the Joker (2000). They are most known for their action films together.

Role
Harley Quinn (voice)
Crew
Screenplay
Role
Guard (voice)
Role
Mrs. Bambi (voice) (uncredited)
Crew
Director
Crew
Co-Producer
Crew
Storyboard Designer