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"Volcano!" is the 14th episode of Thunderbirds Are Go! season 2. It was aired on both TV screens and select VUE cinemas on September 30, which is known as Thunderbirds day.


Dr Quentin Questa has inaccurately predicted the eruption of a volcano for the last decade. This time, however, he invokes a special science code of honour that brings Brains out to his location. Brains discovers that Questa is right: the volcano is gonna blow!


Regular Cast

Guest Cast


Professor Questa: "Hrómundartindur is gonna blow!"

Brains: "T-Thanks for the lift, Scott."
Scott: "Not a problem. Ah, the detour should only add a few seconds to the flight."
Brains: "A f-few seconds? But by my calculations, it takes Thunderbird 1 at least 12.3 seconds to land."
Scott: "Who said anything about landing?"
Brains: "Oh no..."

Brains: "Oh, the things I do for science..."

Brains: "M-MAX, why are you playing that music?"

Brains: (sighs) "Robots, always thinking with their d-diodes."

Concierge: "How may I assist you?"
Virgil: "Hi, I'm from International Rescue."
Concierge: "Yeah, and I'm Jeff Tracy."
(Virgil clears his throat and points out the window at Thunderbird 2.)
Concierge: "Oh, my."

Concierge: "Thank you, thank you, International Rescue!"
Brains: "Oh no, d-don't thank us, thank..."
Professor Questa: "Thank Isaac Newton."
Concierge: "Very well. I'll send... Mr. Newton a gift basket immediately." (He heads back to the resort.)
Brains: "Should we t-tell him?"
Professor Questa: "No, he'll figure it out... eventually?"

International Rescue Equipment Used

Non-International Rescue Equipment Used



  • Inspiration for this episode might have come from the PC Game "Thunderbirds - Operation Volcano" released in 2001.
  • Scott states a reference to The Uninvited as he mentions about a fire incident in Tokyo, in which his classic series counterpart was returning from that very mission at the very start of that episode.
  • Grandma Tracy asks Questa "have you ever heard of 'The Boy Who Cried Wolf'?", which is one of Aesop's classic fables, and also references the classic series episode Cry Wolf.