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"What a maiden voyage this has turned out to be. Even the weather's deteriorating."
— Ocean Pioneer I Commander

"Danger At Ocean Deep" is the nineteenth episode of Thunderbirds season 1, first broadcast on 3rd February 1966.

Plot[]

Lost in a mysterious fog while at sea, the tanker Ocean Pioneer suddenly explodes - for no apparent reason. It's only after a sistership, Ocean Pioneer II, has been built, and sent on an identical mission, that Brains discovers that Liquid Alsterene - the tankers' volatile cargo - becomes highly-explosive, in the presence of a certain variety of sea algae...

Storyline[]

Main article: Danger At Ocean Deep/Storyline

Transcript[]

Main article: Danger At Ocean Deep/Transcript

Cast[]

Regular Characters[]

Guest Characters[]

Crowd Scenes[]

International Rescue Equipment Used[]

Non-International Rescue Equipment Used[]

Locations[]


Trivia[]

DangeratOceanDeepShot1

Alan Perry shooting the launch of Ocean Pioneer II.

  • Much of the music from this episode is recycled from the Stingray episode The Big Gun, The Ghost Ship
  • The music played during the launch of Ocean Pioneer II is recycled from the Fireball XL5 episode Flying Zodiac, and from the Stingray episode Stand by for Action. (It was also re-used later in the Captain Scarlet episode The Launching, during the launching of the ship President Roberts.)
  • Ironically, Virgil accidentally contributes to Ocean Pioneer II's destruction when one of Thunderbird 2's thrusters collides with the sea tanker's antenna, setting it alight.
  • Alan Perry was an uncredited camera operator on this episode.
  • This is the only aquatic-related mission to not utilize Thunderbird 4.
  • The filming miniature of Ocean Pioner and the deck model were seen in the Captain Scarlet and the Mysterons episode The Launching.

Goofs[]

  • While still afloat, the Ocean Pioneer I clearly displays a Roman numeral I, but the floating wreckage seen after it blows up has an Arabic numeral 1.
DAOD512

The green area on the map of Africa is labeled "French West Africa"

  • Sir Arthur has a very old map of the world hanging on the wall of his office. You can clearly see marked on the map "French West Africa", which ceased to exist in the 1960s.

Foreign Titles[]

  • French: Danger sur les mers
  • German: Gefahr aus dem Meer
  • Spanish: Alerta en el Fondo del Océano; Peligro en alta mar (DVD)
  • Italian: Pericolo in alto mare
  • Dutch: De kokende zee (TV); Gevaar in de diepe zee (VHS, DVD)
  • Portuguese: Mistério em Alto Mar
  • Japanese: オーシャンパイオニア号の危機
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