- 1
Firefall
The Thunderbirds disobey orders and head out into space to aid a close friend who's trapped aboard the space station Rosinante with a critical reactor.
- 2
Computer Madness
The lunar colony Moonbase Omega is in peril when its computer goes berserk and imprisons all the residents.
- 3
One Of A Kind
A fire breaks out in the Rocky Mountains, endangering all wildlife there. To make matters worse, one of the Thunderbirds is having a breakdown from family troubles.
- 4
Snowbound
In the Alps, a monorail is trapped under an avalanche on the eve of a severe storm, and with air running out for the passengers the Thunderbirds must work fast.
- 5
Space Warriors
The Thunderbirds take on a riot of criminals who broke out of a penitentiary.
- 6
Sunburn
A research spacecraft sent to analyze the Sun starts to malfunction from prolonged exposure to solar radiation, endangering its crew.
- 7
Fear Factor
A new member of the Thunderbirds must overcome his fear of failure and agoraphobia when his father is trapped aboard a drifting space station.
- 8
Fault Line
The first commercial underwater thermoelectric plant is built on a source of intense geothermal energy... which turns out to be a fault line.
- 9
Shadow Axis
The Thunderbirds celebrate their first year as a team, but also have their first encounter with the entity known as Star Crusher.
- 10
Star Crusher
The Thunderbirds face off with the Shadow Axis over the testing of a newly-designed ion engine, which the Shadow Axis plots to steal.
- 11
Shockwave
The Thunderbirds must cope with a double crisis: they must disable a malfunctioning missile system, and rescue a spacecraft that is drifting into space.
- 12
Guardian
The Thunderbirds investigate the reappearance of the Guardian, an exploratory spacecraft that disappeared ninety years ago.
- 13
Metal Head
A computer goes rogue and takes over its Vancouver complex. The Thunderbirds must stop it as well as save the lives of the complex's residents.
- 14
Cloudburst
When massive hurricanes and typhoons break out in the South Pacific islands, the Thunderbirds race to evacuate its residents.
- 15
Kudzilla
The Thunderbirds head to a space station near Mars, where an experiment gone haywire has created a giant monster plant.
- 16
Mind Meld
Moonbase Omega must be evacuated due to toxic alien vapors. But a resident goes wild when she discovers a crystal that grants psychic powers.
- 17
Thunderbolt
A jumbo aircraft liner, the Thunderbolt, is suddenly disabled and the Thunderbirds must race against time to land it safely.
- 18
Big Deal
The solar system's largest company, Asteroid Mines Inc., has suffered a series of sabotages on its mining ships carrying the rare material cryolite. The Thunderbirds are sent to investigate and uncover a plot to take over the company itself.
- 19
Nightmare
The Thunderbirds must stop Star Crusher from taking over the Nitroid Space Colony and transforming its residents into cyborgs.
- 20
Crusader
The Thunderbirds clear up a toxic spill near a wildlife marina, with the help of an intelligent dolphin named Crusader.
- 21
Stardive
The Thunderbirds must race to save the occupants of an experimental out-of-control spacecraft which is speeding towards Jupiter.
- 22
Trial
The Thunderbirds encounter an alien monolith near Neptune, who subjects them to a trial to determine the worth of the human race.
- 23
Child's Play
Two boys, enthralled by the Thunderbirds, sneak away from a school trip to International Rescue and try to pilot TB-1. It doesn't take long before things go wrong.
- 24
U.F.O.
A alien ship is sighted approaching the sun, creating massive climate changes across the Earth. The Thunderbirds prepare to intercept the UFO, and face the ultimate challenge: the unknown.