How many movies have Koko and Slim Pickens acted in together?

They have worked on 11 movies together! Their first movie together was Colorado Sundown (1952) while their highest rated movie together was Old Overland Trail (1953). They have not worked together since Phantom Stallion (1954). They are most known for their western films together.

Role
Rex's Horse (as Koko the Miracle Horse of the Movies)
Role
Deputy Slim Pickens
Role
Koko, Rex's Horse (as Koko the Miracle Horse of the Movies)
Role
Slim
Role
Miracle Horse of the Movies
Role
Joshua 'Slim' Pickens / Ma Pickens