How many movies have Osamu Tsuruyama and Seiji Okuda collaborated on?

They have worked on 3 movies together! Their first movie together was Locke the Superman (1984) while their highest rated movie together was Ultraman: The Adventure Begins (1987). They have not worked together since Ultraman: The Adventure Begins (1987). They are most known for their animation films together.

Ultraman: The Adventure Begins (1987)

Crew
Animation Director
Crew
Storyboard Artist

Dancougar: Requiem for Victims (1986)

Crew
Animation Director
Crew
Director

Locke the Superman (1984)

Crew
Key Animation
Crew
Key Animation