How many movies have Billy West and Eric Sequeira collaborated on?

They have worked on 1 movie together! Their first movie together was Billy & Mandy's Big Boogey Adventure (2007) and was their highest rated movie together. They have not worked together since Billy & Mandy's Big Boogey Adventure (2007).

Role
Pirate #8 / Miniature Cyclops / Spider Clown Mailman / Beast Master (voice)
Crew
Sound Re-Recording Mixer