38. Ordeal

Inspector Lew Erskine unravels the mystery of a missing store of nitro glycerine, while Agent Jim Rhodes’ life hangs in the balance. He must prevent the nitro from falling into the hands of a South American revolutionary. To do this, Rhodes becomes a truck driver, and meets up with the transporter, a down-on-his-luck trucker.

• Olan Soule plays a lab tech in this episode. He was a police lab tech in both versions of Dragnet (1952-59 and 1967-70), and a favorite of Jack Webb. He also provided the voice of Batman in both radio and animated cartoons.
• Jim Rhodes, the FBI agent, also is a truck driver!
• A Shelby Cobra (red sports car) is shown on the highway as Jim Rhodes pulls out of the gas station in the truck.