David Graham is credited for this episode but does not actually does not take part. As a result he does not voice any of the regular cast, all of whom make their first appearances here, besides Oink.
This episode, like most of the first episodes of Gerry Anderson's Supermarionation series, has no title. It is referred to as Stingray, in episode listings, instead.
Stingray's top speed is given as Rate 6 (600 knots, over 690 mph).
This episode was later used in a compilation video entitled The Incredible Voyage of Stingray (1980).
One marine minute is approximately equal to two terrainean minutes.