In this episode of Secret Squirrel called Scuba Duba Duba, the notorious underwater secret agent Scuba Duba Duba steals a missile and locates it under the water to point at the city to blow it up. Secret Squirrel and Morocco Mole are called to headquarters and assigned to the case to get the missile back. The secret agents do battle with Scuba Duba Duba underwater with each side getting the upper hand. When Secret Squirrel finally subdues Scuba Duba Duba there is not enough time left to stop the missile so Secret turns it around so it goes out to sea.