In the first of a 2 part episode Mike and Steve talk about the 5 original Planet of the Apes films: Planet of the Apes (68), Beneath the Planet of the Apes (70), Escape From the Planet of the Apes (71) Conquest of the Planet of the Apes (72) & finally Battle for the Planet of the Apes (73). There is some behind the scenes stuff discussed as well as commentary about the films individually and as a whole.
