1 A Hero for Earth25 min · 15 Sep 1990 2 Rain of Terror25 min · 22 Sep 1990 3 Beast of the Temple25 min · 29 Sep 1990 4 Skumm Lord25 min · 6 Oct 1990 5 Deadly Ransom25 min · 13 Oct 1990 6 The Conqueror25 min · 20 Oct 1990 7 Last of Her Kind25 min · 27 Oct 1990 8 The Dead Seas25 min · 3 Nov 1990 9 Tree of Life25 min · 10 Nov 1990 10 Volcano's Wrath25 min · 17 Nov 1990 11 Littlest Planeteer25 min · 24 Nov 1990 12 A World Below Us25 min · 26 Jan 1991 13 Plunder Dam25 min · 2 Feb 1991 14 Meltdown Syndrome25 min · 9 Feb 1991 15 Smog Hog25 min · 16 Feb 1991 16 Polluting by Computer25 min · 23 Feb 1991 17 Don't Drink the Water25 min · 2 Mar 1991 18 Kwame's Crisis25 min · 9 Mar 1991 19 Ozone Hole25 min · 13 Apr 1991 20 The Ultimate Pollution25 min · 20 Apr 1991 21 Population Bomb25 min · 27 Apr 1991 22 Mission to Save Earth (1)25 min · 4 May 1991 23 Mission to Save Earth (2)25 min · 11 May 1991 24 Two Futures (1)25 min · 18 May 1991 25 Two Futures (2)25 min · 25 May 1991 26 Heat Wave25 min · 1 Jun 1991