With Devon seriously injured, Rachel's call for help reaches the Astro-medic ship. At the same time an alien spacecraft is also appealing for assistance. The two main doctors - father and son - are at loggerheads: who do they try to save?
Aired: Sep 22, 1973Devon tours a huge spaceship, the ark, to discover who built it and where it'...
Aired: Sep 29, 1973Escaping from the savage descendants of the security crew, the three waken a ...
Aired: Oct 6, 1973Searching for a way to repair the Ark, Devon, Rachel and Garth arrive at the ...
Aired: Oct 13, 1973Ark craft Pisces has been searching for habitable planets for ten years - the...
Aired: Oct 20, 1973Kept young by an anti-aging serum, a group of almost machine-like human child...
Aired: Oct 27, 1973The trio discover an empty 'leisure' biosphere. Behind the scenes a ruthless ...
Aired: Nov 9, 1973The angry, embittered Dr Richards tries to escape the Ark with his daughter a...
Aired: Nov 16, 1973A mysterious, bewitching art gallery proves to be the creation of Magnus, sai...
Aired: Nov 23, 1973The trio blunder into a sealed, highly industrialised biosphere, where outcas...
Aired: Nov 2, 1973A year ago Oro of planet Exar crashed into the Ark, and with the help of Idon...
Aired: Nov 30, 1973With Devon seriously injured, Rachel's call for help reaches the Astro-medic ...
Aired: Dec 7, 1973Unknown to the monarch, her power-hungry servant plots to rule the biosphere ...
Aired: Dec 14, 1973Oro returns, offering to repair the Ark's faulty systems and fly them all to ...
Aired: Dec 21, 1973The Ark's chief astronomer altered its course so he could study a comet: now ...
Aired: Dec 28, 1973A dome containing only a tropical garden, a lab, and millions of bees to poll...
Aired: Jan 4, 1974Garth leaves his friends and heads back home, only to find himself recruited ...
