Astronaut’s from Earth’s past deal with an advanced technological Ape society that is debating the destiny of the remnants of the Human race in a not too distant future
1 - 1Flames of Doom Sep. 06, 1975
1 - 2Escape from Ape City Sep. 13, 1975
1 - 3The Unearthly Prophecy Sep. 20, 1975
1 - 4Tunnel of Fear Sep. 27, 1975
1 - 5Lagoon of Peril Oct. 04, 1975
1 - 6Terror on Ice Mountain Oct. 11, 1975
1 - 7River of Flames Oct. 18, 1975
1 - 8Screaming Wings Oct. 25, 1975
1 - 9Trail to the Unknown Nov. 01, 1975
1 - 10Attack from the Clouds Nov. 08, 1975
1 - 11Mission of Mercy Nov. 15, 1975
1 - 12Invasion of the Underdwellers Nov. 22, 1975
1 - 13Battle of the Titans Nov. 29, 1975