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The last human fleet flees the Cylons; the sci-fi series that was really about the war on terror.

Bounty hunters on the Bebop with a jazz score; twenty-six episodes and "See you, space cowboy".

Picard, Data and the Enterprise-D; "The Inner Light" and "The Best of Both Worlds".

A station at a wormhole and the Dominion War; the Trek that did serialised drama first.

Earth, Mars and the Belt on the edge of war; the most realistic space series made.

Kirk, Spock and McCoy on a five-year mission across three seasons from 1966; "The City on the Edge of Forever" and "Balance of Terror".

A Starfleet ship thrown 70,000 light years into the Delta Quadrant; Janeway, the ex-Borg Seven of Nine and seven seasons of getting home.

Captain Pike's Enterprise a decade before Kirk, back to one story an episode after the serialised years.