Other mistake: As the Governor looks at the gorilla sentries, he is looking about forty-five° across the aim of the cannon next to him. When the cannon is fired at the gorillas, they are directly downrange of the cannon. After they're killed, he's again looking across the cannon's aim.
Battle for the Planet of the Apes (1973)
1 other mistake
Directed by: J. Lee Thompson
Starring: Roddy McDowall, Natalie Trundy, Claude Akins, Severn Darden
Other mistake: As the Governor looks at the gorilla sentries, he is looking about forty-five° across the aim of the cannon next to him. When the cannon is fired at the gorillas, they are directly downrange of the cannon. After they're killed, he's again looking across the cannon's aim.