1 Flames of Doom30 min · 6 Sep 1975 2 Escape from Ape City30 min · 13 Sep 1975 3 The Unearthly Prophecy30 min · 20 Sep 1975 4 Tunnel of Fear30 min · 27 Sep 1975 5 Lagoon of Peril30 min · 4 Oct 1975 6 Terror on Ice Mountain30 min · 11 Oct 1975 7 River of Flames30 min · 18 Oct 1975 8 Screaming Wings30 min · 25 Oct 1975 9 Trail to the Unknown30 min · 1 Nov 1975 10 Attack from the Clouds30 min · 8 Nov 1975 11 Mission of Mercy30 min · 15 Nov 1975 12 Invasion of the Underdwellers30 min · 22 Nov 1975 13 Battle of the Titans30 min · 29 Nov 1975