I Spy is an American television secret-agent adventure series. It ran for three seasons on NBC from 1965 to 1968 and teamed Robert Culp as international tennis player Kelly Robinson with Bill Cosby as his trainer, Alexander Scott. The characters’ travels as ostensible “tennis bums”, Robinson playing talented tennis as an amateur with the wealthy in return for food and lodging, and Scott tagging along, provided a cover story concealing their roles as top agents for the Pentagon. Their real work usually kept them busy chasing villains, spies, and beautiful women.

The creative forces behind the show were writers David Friedkin and Morton Fine and cinematographer Fouad Said. Together they formed Three F Productions under the aegis of Desilu Studios where the show was produced. Fine and Friedkin were co-producers and head writers, and wrote the scripts for 16 episodes, one of which Friedkin directed. Friedkin also dabbled in acting and appeared in two episodes in the first season.

Actor-producer Sheldon Leonard, best known for playing gangster roles in the 1940s and ’50s, was the executive producer. He also played a gangster-villain role in two episodes and appeared in a third show as himself in a humorous cameo. In addition, he directed one episode and served as occasional second-unit director throughout the series.

During the Civil War, a Union spy, Andrews, is asked to lead a band of Union soldiers into the South so that they could destroy the railway system. However, things don’t go as planned when the conductor of the train that they stole is on to them and is doing everything he can to stop them. Based on a true story.

A Giant Octopus, whose feeding habits have been affected by radiation from H-Bomb tests, rises from the Mindanao Deep to terrorize the California Coast.

Two lovers, Mary and Larry, in their Dodge Charger are chased by the police after robbing a grocery store.

An atomic bomb test in the Arctic Circle unfreezes a hibernating fictional dinosaur, a Rhedosaurus, that begins to wreak havoc in New York City.

Charlie’s ex-wife disappears, and he goes to where she grew up–a rural town in the midwest–to look for her. But, surprisingly, nobody knows about her or any of her many relatives, the Newmans. He meets aliens; but when he contacts the FBI, they don’t believe him. He tells his story to a tabloid; and suddenly, he is chased by the aliens.

Bill McKay is a candidate for the U.S. Senate from California. He has no hope of winning, so he is willing to tweak the establishment.

In a land in a distant past, three beautiful women, members of a lost tribe, battle a male genius with diabolical plans to destroy their “Lost Empire.” If the victor can find the sacred jewels, they can anticipate total power.

Scientists and American Air Force officials fend off a blood-thirsty alien organism while at a remote arctic outpost.