International Rescue attempt their most difficult mission ever while defending Tracy Island from a dangerous assault.

Gordon travels in Thunderbird 4 to recover Braman but discovers that the Chaos Crew have gotten to the robot first. An underwater battle ensues and both Thunderbird 4 and Gordon are harmed.

International Rescue attempt their most difficult mission ever while defending Tracy Island from a dangerous assault.

Through the use of archive footage, Brains informs the team of a discovery, but in order to gather more information, our heroes split into groups and search for an escape pod missing since Jeff Tracy's crash.

IR receives a distress call from the Calypso, a space vessel returning from a long mission. Scott and Virgil get aboard the plummeting ship and locate the disoriented crew along with an old robot named Braman, who sent the original distress call.

In order to build a T-drive engine for the Zero-X, Brains needs help from the Mechanic. The trouble is, the Mechanic is locked inside a space prison known as the Hex.

The chase is on and Kayo and Alan work quickly to re-capture Thunderbird 3 from Havoc. Meanwhile, Scott's efforts to extract the escape pod run into additional complications.

On Mars a landslide traps Captain Taylor and a scientist in a cavern. Alan and Virgil fly to the red planet and assist with the aid of Thunderbird 3 and a specialised Exo-Pod. However, circumstances in the cave lead Virgil to eject the air in his suit, leaving our heroes short on air inside a leaking cave.

When two scientists notice a huge section of coral reef bleaching from acidic waters, Gordon launches in Thunderbird 4 to discover the cause. Under the water, he finds a sunken cargo ship containing dangerous acidic materials.

Two Rescue Scouts get locked inside an antiquated crablogger vehicle in the middle of a forest fire. The Tracys respond, and assist both on land and in the sky to rescue the scouts and put out the fires.

The efficiency of the GDF's drones leaves International Rescue with nothing to do - until The Chaos Crew gain control of the fleet.

The Tracys attend the Global Air Show, and a test pilot unveils the ultra-fast `Icarus' superjet.

International Rescue have to deal with The Hood's "Chaos Crew", who are causing trouble across the world. Meanwhile the GDF deploy a fleet of robot rescue drones that threaten to put the Traceys out of business.

Virgil and Gordon are dispatched when a transporter carrying volatile cargo is hijacked by Fuse.

A young GDF guard gets trapped inside a radioactive, and possibly haunted, nuclear facility. Scott goes in to assist, with help from GDF Lieutenant Marion Van Arkle.

An urban explorer named Scraps gets trapped inside an underground trash mine. Scott, Gordon and Virgil investigate with the help of Thunderbird 2 and the Mole POD.

When gas from a dangerous hydromethane reserve begins to leak, Virgil and Gordon team up with a retired well-capping specialist to plug the leak. Gordon soon discovers the Chaos Crew syphoning off fuel - and moves to stop them.

A hepetologist is bitten by a rare spider in a dense rainforest, and a carrier drone containing anti-venom goes off course. Kayo, Scott and Virgil fly to the scene to find the drone before its too late.

The Chaos Crew interrupt the pleasant and quite life of Ned Tedford to steal the orchard growth serum inside the highly secure Global Seed Vault.

The Gray and Houseman mining operation now includes planet Mercury - it uses a moving vehicle that stays on the 'dark side' of the planet.

When two space freighters crash in low-earth orbit, Alan and John must evacuate the hotheaded pilots from a dangerous debris field.

When a popular vlogger gets trapped during an avalanche, International Rescue must find a way to carefully dig him out.

Lady Penelope and Parker are testing out FAB2, a luxury yacht, when they receive a distress call from a nearby tanker. A tsunami has formed, and the massive wave is headed for the stalled tanker's location.

Kayo, with the help of a futuristic game creator that only talks like a wizard, must play through a futuristic holo-game called Cavern Quest to stop The Chaos Crew from stealing a powerful piece of technology.

Lady Penelope, Parker and Sherbert answer a distress call from Parker's old acquaintances - Light Fingered Fred and Gomez. The distress turns out to be a ruse.