'Rescue From the Skies' by Dennis Spooner

As part of his training to become an aquanaut, Lieutenant Fisher is given temporary command of Stingray and assigned target practice. However, he is unaware that Surface Agent X20 has attached a bomb to one of the targets and one to Stingray's hull. It is up to Troy to save the day by dropping onto Stingray from the air…

Don Mason (Captain Troy Tempest), Robert Easton (Lieutenant George Lee ‘Phones’ Sheridan / Agent X20), Lois Maxwell (Lieutenant Atlanta Shore), Ray Barrett (Commander Sam Shore / Lieutenant Fisher / Titan)

Directed by Desmond Saunders
Produced by Gerry Anderson

TX (UK): 10th January 1965

Notes:
*Featuring Captain Troy Tempest, Lieutenant George Lee 'Phones' Sheridan, Commander Sam Shore, Lieutenant Atlanta Shore, Lieutenant Fisher and Marina