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.

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.

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

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

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.

Lady Penelope and Parker complete in a desert motor race with FAB1 and a racer named Jensen Hunt. All seems well until the Chaos Crew steal an experimental New engine from the leading BR2 vehicle.

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

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.

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.

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.

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.

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.

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

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.

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.

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.

Lady Penelope's Great Aunt Sylvia visits Creighton-Ward Manor for afternoon tea, but has something important to discuss... Guest Star: Sylvia Anderson as Great Aunt Sylvia.

An anti-technology group calling themselves The Luddites power up an electromagnetic pulse device underneath London, crippling everything that uses electricity. The result is a near catastrophe as the entire city shuts down. Virgil and Grandma Tracy must find and disable the device - with the help of Lady Penelope and Parker.

Lady Penelope, Parker and Gordon visit the Amazon desert, where an archaeologist shows them round an ancient temple. When they all become trapped inside, the academic refuses to let them call for help, fearing for his reputation - so the trio of heroes must put their wits to the task of finding an escape route.

A distress call from an interstellar ship called EDEN leads Alan and John to explore the wreckage. There they find space pirates and mysterious spider-like robots known as Builder Bots.

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

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.

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.

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.

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.