Thunderbirds Wiki
Thunderbirds Wiki

"Trial" is the twenty second episode of Thunderbirds 2086, and twenty fourth produced overall. The episode first aired at an unspecified point after 1982.


A race of highly evolved beings have been watching countless civilizations across millions of years. Humanity have become their latest test subjects, and they must decide whether the species pose a threat to the universe. It's up to the Thunderbirds to convince the beings that Earth has evolved beyond its savage past.


(To Be Added)

IRO Equipment Used



  • Trial was the final episode of TechnoVoyager to be produced. Due to minor episode shuffling however, it was not the finale of Thunderbirds 2086.
  • This episode did not air in Japan.

Anderson Stock Library

  • (To Be Added)

Foreign Title

  • Japanese: ネプチューンの試練 ("Neptune Ordeal")