Main Cast: David Calder (Nathan Spring), Erick Ray Evans (David Theroux), Linda Newton (Pal Kenzy), Trevor Cooper (Colin Devis), Jonathan Adams (Alexander Krivenko), Sayo Inabo (Anna Shoun).

Episode One
An Instinct for Murder
Old-fashioned cop Nathan Spring is convinced that the death of a man by drowning is far from an accident. But his 'promotion' to head of Commander of the International Space Police Force means he soon has bigger problems to deal with.

Originally broadcast on BBC2, Monday 6th July 1987 at 8.30pm.

Episode Two
Conversations with the Dead
Computer failure causes the freighter Daedalus spins off course while on a routine run from Mars to the Moon. David Theroux's discovery of some cryogenic equipment could provide the key.

Originally broadcast on BBC2, Monday 13th July 1987 at 8.30pm.

Episode Three
Intelligent Listening for Beginners
An explosion at a processing plant and a train collision on Earth are linked by the appearance of the William Blake line 'O Rose, thou art sick' on computer equipment moments earlier. Could millionaire computer expert Michael Chandri be involved?

Originally broadcast on BBC2, Monday 20th July 1987 at 8.30pm.

Episode Four
Trivial Games and Paranoid Pursuits
Dilly Goodman contacts the Star Cops after attempts to get in touch with her brother Harvey, working as a research scientist on the Ronald Reagan, draw a blank. New commander of the Moonbase, Alexander Krivenko, arrives.

Originally broadcast on BBC2, Monday 27th July 1987 at 8.30pm.

Episode Five
This Case to be Opened in a Million Years
A Stantanini-Italia owned nuclear waste dumping rocket crashes into the Moonbase One launch pad and David Calder soon finds himself framed for drug trafficking.

Originally broadcast on BBC2, Monday 3rd August 1987 at 9.55pm.

Episode Six
In Warm Blood
The crew of a Pluto 5 are found dead when the vessel returns to the Moon. While back on Moonbase, Krivenko learns of his colleague Doctor Christina Jannsen's suicide. Could the two cases be linked?

Originally broadcast on BBC2, Monday 10th August 1987 at 8.35pm.

Episode Seven
A Double Life
New recruit Anna Shoun goes in hot pursuit of James Bannerman after he breaks into the Moonbase fertility unit. But how can he be responsible when he was giving a piano recital on Earth at the time?

Originally broadcast on BBC2, Monday 17th August 1987 at 8.35pm.

Episode Eight
Other People's Secrets
Ernest Wolffhart arrives to carry out a routine investigation into safety at the Moonbase. Meanwhile Devis' former wife, Psychologist Doctor Angela Parr, turns up to carry out her own investigations.

Originally broadcast on BBC2, Monday 24th August 1987 at 8.35pm.

Episode Nine
Little Green Men and Other Martians
An alien discovery is made on the planet Mars and dispatched to Moonbase for tests, promoting a flurry of activity. Meanwhile, events conspire against Spring's attempts to set up a police presence on the Martian colonies.