"Star Trekkin'", written by John O'Connor, Grahame Lister and Rory Kehoe, is a parody song of the original TV series of Star Trek. It was released in 1987 by The Firm. The verse lyrics were written by Kehoe, while the chorus was written by Lister and O'Connor. The first attempt at the song was set to the melody of their 1982 single, "Arthur Daley (e's Alright)", but they decided to create an original tune instead. They could not find a recording label willing to release it, so they recorded it at Bark Studios, which O'Connor part-owned. The catchphrases of the Star Trek characters were recorded by members of the band, a studio technician and O'Connor's wife. One of the phrases used, "It's life, Jim, but not as we know it", has been subsequently misattributed to the series although it originated with "Star Trekkin'".

After promotion by local radio stations, and BBC Radio 1 disc jockey Simon Bates, the record entered the charts in 74th position. The follow week it jumped to 13th place and then spent the following two weeks at number one. It also reached 22nd place in the Belgian charts, 9th place in the Dutch Top 40 and third and second respectively within Australia and New Zealand. Worldwide, it sold more than a million copies. It spawned an album and a follow-up single, but neither came close to matching the success of "Star Trekkin'". Following the initial success in the UK, the band decided they needed a music video to appear on the follow week's edition of BBC1's Top of the Pops. The team behind the television series Spitting Image were among those approached to create a video, as they had previously worked on "Land of Confusion" by Genesis, but they proved to be too expensive and needed too much time. The video was subsequently created by a team of art students called The Film Garage using clay stop motion animation based on the premise that Captain James T. Kirk was hallucinating about food having been in deep space so long.

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