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Security Hazard

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"Look fellas, if that kid is roaming around the base on his own, dad's gonna go berserk!"
— Scott Tracy
Season 1, Episode 26
Image SH
Air date 31st March 1966
Written by Alan Pattillo
Directed by Desmond Saunders
Episode Guide
The Cham-Cham
Atlantic Inferno

"Security Hazard" is the twenty-sixth episode and season finale of Thunderbirds season 1, first broadcast on 31st March 1966.

While Thunderbird 2 is left unattended at a rescue, a young boy named Chip climbs into the pod and is taken back to Tracy Island. As Jeff tries to decide what to do with their stowaway, the boys entertain him with stories of their past rescues, thereby exacerbating the breach of security that has already taken place.


Main article: Security Hazard/Storyline

Regular Voice CastEdit

Guest Voice CastEdit


The Assistant Controller (Trapped in the Sky)

International Rescue Equipment UsedEdit

Non-International Rescue Equipment UsedEdit


  • This episode was essentially a clip show, with roughly seventeen minutes of new footage spliced in between the original scenes. This is hardly a new practice, as nearly every Anderson-produced series had at least one clip show in its run, both before and after Thunderbirds.
  • This is the only episode where Pod 2 is used.
  • Clips from the following episodes were used:


  • Smoke can be seen flowing backwards as Thunderbird 2 reverses into its hangar.
  • Once back inside the hangar, Thunderbird 2 unloads Pod 1, but the numeral on the puppet sized pod door in the close-up shots does not match that in the model scale long shot.
  • The Globe in Chip Morrison's bedroom is upside down.
  • Not a goof per se, but Alan sure is quick to conveniently forget mentioning Thunderbird 3 nearly plummeted into the Sun after saving Sun Probe.
    • Plus Virgil 'forgets' to mention that in his flashback, Eddie almost died when Thunderbird 2's lifting equipment lost its grip on his truck.
    • And again, Scott appears oblivious to the fact there were two attempts to land Fireflash on the Elevator Cars.
      • It is most likely that the flashbacks were shortened so more time could be spent on filming the newly filmed scenes instead of showing the whole flashbacks.


Main article: Security Hazard/Transcript

Alternate VersionEdit

Thunderbirds (FOX Kids Series)Edit


For a contemporary (or at least in the 1990's) audience, Thunderbirds underwent a repackage, redub, and rebroadcast as part of FOX Kids' Saturday morning line-up. Due to a severe decline in ratings, only half of the episodes made it to broadcast before the series was pulled by the network. As a result, the modified version of Security Hazard never aired, and remains among a handful of missing Thunderbirds episodes to this day.

Foreign TitlesEdit

  • French: Le rêve
  • German: Das Sicherheitsrisiko
  • Spanish: Peligro de Seguridad; Riesgo de seguridad (DVD)
  • Italian: Una visita inaspettata
  • Dutch: Veiligheidsrisico
  • Japanese: 秘密作戦命令

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