The Mechanic sets his sights on destroying The Hood. While International Rescue scramble to save their former foe, Brains goes on a dangerous mission.

When the first run of an inventor's newly-constructed hyperloop begins to malfunction, Scott must try to find a way to slow down the fast-moving ride.

Lady Penelope, Parker and Kayo arrive on the scene of a massive semi-submersible ocean oil rig to decommission the polluting relic, but supervisor Malloy has other plans.

Conrad, a young traffic controller makes a slight error, which ends in catastrophe aboard the orbiting Spacehub transit terminal. Alan launches Thunderbird 3 and is able to buy Conrad time.

The Tracys visit a family estate away from Tracy Island, but a mysterious intruder threatens their solace.

When an atmospheric cleaning machine malfunctions, trapping the maintenance crew inside, Parker must square off with a figure from his misspent youth.

Virgil and Grandma are out resupplying Thunderbird 2 when a distress call comes in. A mine is in danger of collapsing in the desert. When Virgil goes to help the workers, he gets caught in a massive sandstorm and it is up to Grandma to save the day.

The Mechanic takes over the Grand Sequoia Dam, leading all of International Rescue to intervene and stop him.

An eccentric scientist has inaccurately predicted the eruption of a volcano for the past decade. This time, however, he invokes a special science code of honour that brings Brains out to his location.

Reboot of the classic children's animated adventure series. A mysterious tunnelling vehicle leaves a worker trapped in its wake and it is up to Gordon and Virgil to free him. Meanwhile, Parker and Penelope track down the digger and discover an old foe at the controls.

Reboot of the classic children's animated adventure series. Scott, Virgil, and Kayo assist a plummeting cargo zeppelin with a deadly loading claw and volatile fuel source.

Reboot of the classic children's animated adventure series. The team travels to Langstrom Fischler's newest invention to stop a hive of malfunctioning weather drones.

Reboot of the classic children's animated adventure series. Scott attempts to rescue a mysterious balloonist when his hot air balloon crashes on the top of a mountain.

Reboot of the classic children's animated adventure series. A comet brought into the Earth's orbit takes a wrong turn. International Rescue must intervene to stop it from colliding with the planet - and the space station between them.

Reboot of the classic children's animated adventure series. When seismic activity near the coast of Greece reveals the lost city of Atlantis, two scientists venture below the depths to explore the area. But when their submarine becomes stuck, International Rescue are called out to assist.

Reboot of the classic children's animated adventure series. After the Mechanic flees the scene with the TV-21, Scott is in hot pursuit. But, when the villain steals some volatile iridium, Brains must make drastic alterations to Thunderbird 3 to save the day.

Reboot of the classic children's animated adventure series. A survey vehicle stalls at the bottom of the Marianas Trench, just as it discovers an old plane once flown by Jeff Tracy. Gordon takes Thunderbird 4 down to save the crew, but danger awaits in the form of an old foe.

When a transport ship carrying colonists heads straight into an asteroid belt, Thunderbird 3 is deployed to regain control.

A family becomes trapped in a city that is being overtaken by rising ocean tides.

Thunderbird 3 is called out to Europa, a moon of Jupiter, when a pair of documentarians fall into an ice ocean, leading Alan to make first contact with an alien lifeform.

GDF Captain Ridley O'Bannon sends out a distress call during a routine inspection of the derelict generation ship known as EDEN (intended to travel the stars for hundreds of years). John and Alan answer the call. Together, the trio explores the ship and discovers leftover equipment known as Builder Bots. They also find two space "pirates" named Reece and Dobbs causing mischief. As the mystery comes to an end, the pirates accidentally reverse the bots' programming, causing them to tear EDEN apart. With the help of John's Mech Suit, they escape.

A geological survey team gets trapped when a huge Earthbreaking vehicle causes them to fall into a narrow crevice. Scott, Virgil and Kayo take off in Thunderbird 1, Thunderbird 2, and Thunderbird Shadow after the Earthbreaker takes out the responding GDF fliers. The vehicle's controller, known only as The Mechanic, attacks and damages Thunderbird 2, leaving Virgil no choice but to make an emergency crash landing back on Tracy Island. Meanwhile, Lady Penelope and Parker visit the Hood in Parkmoor Scrubs prison to find out more about this mysterious new villain. In the end, Scott evacuates the survey team while Kayo takes on the Mechanic. They barely make it out when the villain sets his vehicle to self-destruct.

The tallest building in the world catches fire, and local firefighters are rendered helpless. It's up to Virgil and Alan to extinguish the flames and rescue everyone inside.

The episode was not released in the UK because of its similar nature to the Grenfell Tower disaster.