Thunderbirds Wiki
Thunderbirds Wiki

"Guardian" is the twelfth episode of Thunderbirds 2086, and fifteenth produced overall. The episode first aired in Japan on August 14, 1982.


Guardian spacecraft

IRO discover more than they bargained for when a stellar craft built in 1995 returns to Earth. The craft is powered by Guardian, a sentient computer program locked on a direct course to Miami coast. With conventional rescue out of the question, the only person who can halt Guardian's path of destruction is the last surviving member of its crew; an elderly man dying in hospital...


(To Be Added)

IRO Equipment Used


  • William Fortune begins his video journals with "Captain's Log. Stardate.", a reference to the long-running American sci-fi franchise, Star Trek.


  • Footage of Commander Simpson running a computer search to match the Guardian craft with a variety of existing designs is clearly looped. This resulted in him refer to the correct outline as both Clark and Guardian series crafts.

Anderson Stock Library

  • The 'Thunderbird 5' theme is played at several points in the episode, most notably during Fortune's log.
  • So too is music from the pilot episode of Captain Scarlet and the Mysterons, when the MEV finds the Mysteron complex.

Foreign Titles

  • Japanese: 宇宙船の戻り値 (The Spaceship Returns)