Space: 1999
The Full Circle
TV Flash files “The Full Circle” as hour 15 of 48 in the TV Flash guide — Space: 1999 (1975–1977) on ITV / Syndicated, season 1, episode 15, aired 1975-12-11, 60 min.
From the desk
How this hour is filed
This leaf is S01E15: listed hour 15 of 48 in the Space: 1999 guide, hour 15 of 24 in season 1. It aired 1975-12-11 (60 min). The listed hour before it is “Earthbound” (S01E14). Next is “Another Time, Another Place” (S01E16).

Catalog log
Broadcast listing — not a TV Flash recap.
John, Helen, and a landing party explore a primitive planet and going missing. Another landing party find them... living among the savages on the planet, and evolutionary regressed to similar state.
Viewer FAQ
Where does The Full Circle sit in the Space: 1999 guide?
S01E15 is listed hour 15 of 48 — hour 15 of 24 in season 1, season 1 episode 15.
When did Space: 1999 S01E15 air?
The Full Circle aired 1975-12-11 and is listed at 60 minutes.
Season one gloom or season two action?
Season one is the metaphysical colony-adrift hour. Season two adds Maya and more action. Start with Koenig and Russell either way.
In the series
Why this series still plays
Moonbase Alpha gets blown out of Earth orbit, and Martin Landau plus Barbara Bain try to manage the colony in tailored space chic. Gerry Anderson's live-action swing after the puppets: British design, gloomy metaphysics, model-shop spectacle. International syndication sci-fi that wanted 2001 on a weekly budget.
So about last night's group chat: someone said Breakaway is the whole premise in one word (correct), someone else dropped a Landau/Bain still captioned *Mission: Impossible but make it tailored space chic*, and a third person announced that season two is a different show like that is a personality. This is not new discourse. This is Moonbase Alpha with better lighting and worse sleep. A nuclear accident hurls the Moon out of orbit; Gerry and Sylvia Anderson's Space: 1999 (1975–1977) sells the colony as travelers…
Filed against
- Martin Landau as Cmdr. John Koenig
Martin Landau’s Rollin Hand is Mission: Impossible as disguise craft — the IMF specialist who made competence a set piece before the movies bought altitude. Bruce Geller’s 1966 CBS procedural treated method as glamour; Landau, with…
- Barbara Bain as Dr. Helena Russell
Barbara Bain’s Cinnamon Carter made Mission: Impossible cool as a Cold War martini — glamour, disguises, and team-craft heists with Emmy-winning poise. Self-destructing briefings never looked sharper. TV Flash salutes the original IMF…
- Barry Morse as Prof. Victor Bergman
Barry Morse hunted Richard Kimble as Lt. Philip Gerard on The Fugitive — relentless duty in serialized manhunt TV that climaxed like a national holiday. He made the law feel personal. TV Flash files him as the other half of early…
- Catherine Schell as Maya
Catherine Schell played Maya on Space: 1999 — Moonbase Alpha blown from Earth orbit, Martin Landau and Barbara Bain in tailored space chic, Gerry Anderson's live-action swing after the puppets. British design, gloomy metaphysics,…