S01:E106 - Mercury Falling
S01:É101 - S01:E101 - Instrument of Destruction (Pt. 1)
Believing they are under attack on Mars, Captains Scarlet and Black destroy the Mysterons' city. In revenge, the aliens vow to annihilate all Earthmen.
S01:É102 - S01:E102 - Instrument of Destruction (Pt. 2)
Captain Black is linked to a blast at a military research installation; Scarlet and Blue liaise with the FBI in a bid to trace the rogue Spectrum agent.
S01:É103 - S01:E103 - Swarm
Finding her Falcon engulfed by a swarm of robotic insects, Destiny is rescued by Scarlet. They return to Skybase - unwittingly carrying some of the bugs with them.
S01:É104 - S01:E104 - Rat Trap
Scarlet leads a team investigating loss of contact with the Mars base. Under attack, they crash-land on the surface to find all the personnel have been murdered.
S01:É105 - S01:E105 - The Homecoming
An escape pod from the first manned mission to Jupiter crash-lands in the Arctic. The one surviving crew member is Lt Green's father. But is the survivor all he seems?
S01:É106 - S01:E106 - Mercury Falling
Destiny and Blue lose control of Mercury, a nuclear-powered shuttle; Spectrum then receives a ransom demand with a threat to crash-land the shuttle on Washington DC.
S01:É107 - S01:E107 - Circles of Doom
Several crop circles appear at the site of a near-fatal air crash, pointing to the emergence of a new and potentially devastating Mysteron weapon.
S01:É108 - S01:E108 - Rain of Terror
Spectrum assists a professor in her experiment to generate rain. The initial attempt succeeds, but she is then suddenly gripped by an inexplicable, violent paranoia.
S01:É109 - S01:E109 - Skin Deep
Destiny is ambushed by Captain Black; CCTV footage then shows a replicant Destiny stealing top-secret launch codes. Scarlet sets out to eliminate the imposter.
S01:É110 - S01:E110 - Chiller
Scarlet discovers a plan to smuggle a bomb aboard Skybase, but a Mysteron attack renders him powerless to warn the crew of the impending disaster.
S01:É111 - S01:E111 - Trap for a Rhino
An elderly lady in the Scottish Highlands reports a UFO sighting above a nuclear power station. But at the woman's cottage all is not as it appears...
S01:É112 - S01:E112 - Heist
Colonel White's daughter is abducted, her captors demanding help with a bullion raid. An escape plan is launched - but a still greater threat is yet to be revealed.
S01:É113 - S01:E113 - The Achilles Messenger
A Spectrum commander is killed and returned to the base as a replicant. Can she be trusted when she claims that not all Mysterons support the war against Earth?
