I Spy (1965)

S1E9 No Exchange on Damaged Merchandise

Title: No Trade on Defective Goods Plot: As negotiations for a prisoner exchange begin, the team discovers the need to identify a double agent within their ranks. Tensions rise as suspicions grow, leading to an urgent investigation to uncover the traitor before the exchange takes place. Trust is tested as allies turn against one another, complicating the mission and putting everything at risk.