Department S - Season 1 - Eps 10: The Treasure of the Costa del Sol
LOCATION: The Costa del Sol, Spain DATE: July 31st A man goes scuba diving while his friend waits in the car. The man returns from the dive with a fish, and his friend shoots him. Before he dies he is able to return fire with a spear gun, killing the shooter. A policeman happens upon the scene and finds the diver's catch: a plastic fish with $100,000 inside.
About Department S

Title: Department S
First Air Date: 1969-09-09
Last Air Date: 1970-03-17
Status: Ended
Rating: 4.9/10 (from 12 votes)
Language: EN
Seasons: 1
Total Episodes: 28
Network: ITV1
Genres: Action & Adventure, Drama, Sci-Fi & Fantasy
Production Companies: Unknown
Synopsis
Department S is a United Kingdom spy-fi adventure series produced by ITC Entertainment. The series consists of 28 episodes which originally aired in 1969–1970. It starred Peter Wyngarde as author Jason King, Joel Fabiani as Stewart Sullivan, and Rosemary Nicols as computer expert Annabelle Hurst. The trio were agents for a fictional special department of Interpol. The head of Department S was Sir Curtis Seretse.
Cast

Peter Wyngarde
Jason KIng

Rosemary Nicols
Annabelle Hurst

Joel Fabiani
Stewart Sullivan

Dennis Alaba Peters
Sir Curtis Seretse