The second series has some new elements, with creator Patrick Dowling greeting the contestants on Earth before they travel to Arg. There's also Lesley Judd, who has remained on Arg as a mole, and, most famously of all, the Vortex.
Member of the public David Gale takes a trip to Arg, and finds himself under suspicion of being the Mole by fellow travellers David Yip and Madeline Smith. This edition was wiped by the BBC and only exists as off-air copies.
With the Rubik's Cube craze of the time, Cube expert David Singmaster enters as a celebrity, alongside Nationwide presenter Sue Cook. Joining them on their trip to Arg is marketing executive Philip Sheppard.
The last of four episodes that were wiped by the BBC, featuring Derek Griffiths, Nerys Hughes and guest Tessa Hamp. While not available to be included on the DVD release, a copy is known to exist in private hands.
A dramatic finale as Captain Acteon of the Cosmic Investigation Department visits Arg to arrest Lesley Judd for being a mole. Contestants John Craven, Kirsty Miller and Bill Green must quickly exit to avoid the mayhem.
