"Heist Society" is the 17th episode of Thunderbirds Are Go!. It was broadcast on November 21st, 2015.


On Tracy Island, Gordon, Brains, Virgil and Scott tell Alan that Professor Moffat is heading for a GDF facility in Iceland with Lady Penelope and Parker as her escorts. Brains explains that she is carrying Centurium 21, a particle created from the disaster at the Supreme Hadron Collider. He explains that the particle won’t work at high altitudes so it has to be transported below sea level.

On an underwater train, John contacts Lady Penelope that the GDF will await their arrival. Outside the tunnel, the Hood approaches in a submarine. He uses explosive to blow the tunnel open but the bulkhead seals just in time. Another explosive damages the tunnel again, causing water to flood in. The Hood cuts comms with John and the driver with an electromagnetic pulse.

Scott, Virgil and Gordon set off to the danger zone with Thunderbirds 1, 2 and 4 while Brains stays behind to help from the lab. When the Thunderbird craft arrive at the tunnel, Brains explains that Thunderbird 2's cables are too short to reach the depth of the tunnel and Thunderbird 4 lacks the lifting power before assembling 4 remote airbag pods and Thunderbird 4 is launched. Inside his sub, the Hood disguises himself as Professor Moffat before dealing with the original counterpart and meeting Lady Penelope and Parker finds the ladder to the sub. When Thunderbird 4 arrives at the tunnel, Gordon checks the damage before spotting the Hood’s sub. He fires a conductive amplifier at the tunnel, re-establishing comms. Gordon explains to Lady Penelope about the heist and the Hood disguised himself as anyone on the train. Sherbet attacks the Hood, unravelling his disguise. He grabs the case containing the Centurium and escapes with Parker and Penelope in pursuit but he blinds Parker and makes it back to his sub. Penelope throws a tracking beacon onto the case before the sub detaches and the tunnel floods.

The airbag pods clamp onto the tunnel and three of them inflate. The driver cuts power to the train’s maglev system and FAB 1 exits the tunnel in it submarine mode to go after the Hood. The Hood’s sub appears above the car and drops a transonic depth charge which explodes near the car, damaging its turbines. Parker lands the car on a rocky outcrop and fires the engines again. Brains tells Gordon that one airbag’s pump has a blockage which he can’t unblock remotely. Gordon unblocks the pump and the tunnel section is hoisted to the surface. Meanwhile, FAB 1 fires some torpedoes at the Hood’s sub, disabling its life support system. Gordon hooks a cable from Thunderbird 1 onto the hull of the sub and Scott hoists it up to the surface. The Hood curses them and flees in an escape pod before the sub rips apart.

Back on Tracy Island, Penelope and Parker explain that the Centurium is delivered to the GDF facility successfully. Professor Moffat insists that Brains would like to show her his lab before they exit the lounge and Gordon sniggers, and they turn back at him.



(To Be Added)

International Rescue Equipment UsedEdit

Non-International Rescue Equipment UsedEdit

  • The Hood's submarine



  • The existence of this episode was confirmed by writer Peter Briggs shortly before the series premiered in April 2015. He described it as a sort-of sequel to Heavy Metal.  
  • Professor Moffat returns in a plot directly tied to the events at the particle accelerator in a previous episode, Heavy Metal.
  • The bombs planted by the Hood on the exterior of the underwater tunnel were previously used as his earthquake generators in Ring of Fire.
  • The Centurium-21 in this episode is a reference to the 1960s-era production company, Century 21.
  • This is the first time The Hood disguises as a main character (Professor Moffat), in order to steal the Centurium-21.
  • After the tunnel's support towers were destroyed, John makes a reference to the Spectrum satellite detecting the explosion. This is a reference to the 1960s Supermarionation series, and successor to the original Thunderbirds, Captain Scarlet and the Mysterons.

Foreign TitlesEdit

  • Dutch: Aanval Onder Niveau (Low Down Attack)
  • French: Le Club du Casse (The Robbery Club)
  • Spanish: Sociedad del Crimen (Society of Crime)
  • Japanese: 海底急行の危機 (Crisis of the Seabed Express)

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