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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. It was the 22nd episode produced.

PlotEdit

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...

StorylineEdit

Main article: Danger At Ocean Deep/Storyline

TranscriptEdit

Main article: Danger At Ocean Deep/Transcript

CastEdit

Regular CharactersEdit

DAOD205

Parker with Stevens

Guest CharactersEdit

Ocean-pioneer-ii-Captain

Ocean Pioneer II Captain

Cameo RolesEdit

International Rescue Equipment UsedEdit

Non-International Rescue Equipment UsedEdit

LocationsEdit

Lab

The Laboratory Rooms

TriviaEdit

  • Alan Perry was an uncredited camera operator on this episode.
DangeratOceanDeepShot1

Alan Perry shooting the launch of Ocean Pioneer II.

  • This is the only episode in which John goes on a rescue.
  • At the end of the episode, John tells Jeff that he's been on "a dozen" rescue missions. Scott claims that he's been on "all of them." (This may be seen as an attempt at some brotherly "one-upmanship" on Scott's part, especially in front of their father; notwithstanding that in The Perils of Penelope, he'd just returned home from leave - to learn a rescue was already underway, elsewhere.)
  • Lord Worden was previously seen as Sir Jeremy Hodge in The Perils Of Penelope, while the mayor (on Penelope's right at the launching of Ocean Pioneer II) was previously seen as Professor Holden in The Mighty Atom.
  • Lord Silton and Lovegrove (both from Vault Of Death), Tidman (from The Man From MI.5) and Bob Williams (from Cry Wolf) are also visible in the crowd
  • Much of the music from this episode is recycled from the Stingray episode The Big Gun.
  • 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.

GoofsEdit

Main article: Danger At Ocean Deep/Goofs

Foreign TitlesEdit

  • 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)
  • Japanese: オーシャンパイオニア号の危機