McMillan & Wife (1971)

S02E04 Terror Times Two

Title: Double Trouble Plot: The mob kidnaps Mac and swaps him with a surgically-modified doppelgänger, aiming to eliminate a whistleblower housed in a high-security hospital. As the clock ticks, the real Mac must find a way to escape his captors while the imposter tries to carry out the deadly mission. Tension rises as the mob's plan unfolds, putting everyone’s lives on the line.