Ironside (1967)

S03E10 Five Miles High

While transporting a crucial witness from Hawaii to San Francisco via airplane, Ironside uncovers that a fellow traveler is a hired killer. Racing against time, he must identify the assailant aiming to eliminate his witness before they reach their destination. Complicating matters, it appears there could be multiple threats vying for the bounty on the witness's head, heightening the urgency of Ironside's mission.