An 'oxygen pill' is a small pill which, when taken, allows the user to breathe and survive in various inhospitable environments, such as those with no or rarified atmosphere.[1] An oxygen pill lasts for only a short time and must be taken regularly for an extended stay in a vacuum. Oxygen pills replaced space suits as the preferred means for facilitating Extra Vehicular Activities in space some time in the 50 years preceding the events of Fireball XL5.[2]

Behind the CameraEdit

The oxygen pill was conceived as a plot device which allowed the crew to avoid changing the puppets into space suits. Costume changes were time consuming as the puppet clothes had to be unstitched and then re-sewn onto the puppets[3].


  1. Space Immigrants
  2. Mystery of the AT2
  3. Stingray, Gerry Anderson's DVD Commentaries

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