Space Island One (or Raumstation Unity in German) is a British/German science fiction television series that ran for 26 episodes beginning in 1998. A co-production between the UK's Sky One channel and the German Vox channel, it starred Judy Loe as Kathryn McTiernan, the commander of the multinational crew of the space station Unity. Among the screenwriters for the show were Stephen Baxter, P. J. Hammond, Adrian Rigelsford and Andy Lane.