How many movies have Eiji Abiko and Ken Ootsuka collaborated on?

They have worked on 5 movies together! Their first movie together was Digimon Adventure 02: Hurricane Touchdown! The Golden Digimentals (2000) while their highest rated movie together was One Piece: Strong World (2009). They have not worked together since That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond (2022). They are most known for their animation films together.

That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond (2022)

Crew
Key Animation
Crew
Storyboard Artist

One Piece: Strong World (2009)

Crew
Key Animation
Crew
Key Animation

The Garden of Sinners: Remaining Sense of Pain (2008)

Crew
Key Animation
Crew
Key Animation

Mobile Suit Zeta Gundam - A New Translation III: Love is the Pulse of the Stars (2006)

Crew
Key Animation
Crew
Key Animation

Digimon Adventure 02: Hurricane Touchdown! The Golden Digimentals (2000)

Crew
Key Animation
Crew
Key Animation