A submarine of the World Security Patrol is destroyed. WASP is called in to investigate and its Stingray submarine, capable of speeds of up to 600 knots an hour, is sent to investigate.

Marineville goes to battle stations as a missile is launched.

Commander Sam Shore relives the injury that left him wheelchair bound.

The Stingray crew have their leave cancelled and are ordered to explore the depths of the Subterranean Sea

Stingray investigates claims of the Loch Ness monster.

WASP takes on a bet that they cannot crew an old-fashioned sailing ship