Trivia: The puppet of Marina was modelled on the French actress Brigitte Bardot.
Trivia: This was the first Supermarionation production to be filmed in colour.
Trivia: The puppet of Titan was modelled on the English actor Laurence Olivier.
Trivia: Marina never spoke throughout the entire series, except in this episode where she appears to communicate with Troy, but this is only part of his dream while he was unconscious. In the sequence her lips do not move because the puppet had no speech mechanism, but instead her thoughts are heard. The voice of Marina was provided by Sylvia Anderson.
Trivia: Look out for the voice of Atlanta Shore - it's Lois Maxwell, best known as "Miss Moneypenny" in the James Bond films.
Trivia: Gerry Anderson based the facial features of Captain Troy Tempest on the American actor James Garner.
Trivia: One of the characters is Captain Black - a name of a character who would appear in a forthcoming Gerry Anderson creation, "Captain Scarlet & The Mysterons".
Trivia: Troy and Marina visit the Restaurant Casablanca, which also appears in the closing credits.
Trivia: This is the only episode in the series that Stingray does not appear.
Trivia: Sixteen minutes of this episode is made up of footage from the episodes "Emergency Marineville", "Raptures Of The Deep" and "Subterranean Sea".
In Search Of The Tajmanon - S1-E28
Trivia: This is the only episode in which Marina does not appear.