Planet of the Apes (1968) IMDb

fiction moving picture

Sequel:

Beneath the Planet of the Apes (1970) IMDb

Commentary

Until I saw this I thought the singing in the wonderful The Simpsons (1989) musical parody was exaggerated.

fiction moving picture

Sequel:

Escape from the Planet of the Apes (1971) IMDb

Sequel:

Conquest of the Planet of the Apes (1972) IMDb

Commentary

Colonial.

fiction moving picture

Sequel:

Battle for the Planet of the Apes (1973) IMDb

Commentary

Cute mutants.

fiction moving picture

Remake:

Planet of the Apes (2001) IMDb