Vacationing in Greece, Steed is asked to investigate the death of a deep-sea diver, a member of an elite corps known as the Frogs. Suspecting that the victim was murdered by one of the passengers on a Mediterranean ocean liner, Steed secretes himself aboard the vessel, where his off-and-on partner Venus Smith (Julie Stevens) is working as an entertainer. Though there's no shortage of suspects, the guilty party is fairly obvious from the get-go. Written by Martin Woodhouse, "A Chorus of Frogs" was first telecast in England on March 9, 1963; it made its American cable TV bow on February 28, 1991. ~ Hal Erickson, Rovi