The Man from U.N.C.L.E. (1964)

S4E3 The 'J' for Judas Affair

Solo and Illya are tasked by Adam Tenza (Chad Everett) to safeguard his wealthy industrialist father, Mark Tenza (Broderick Crawford), from a potential assassination by THRUSH, a request that the elder Tenza resents. When Mark is killed by a bomb, Solo and Illya realize they must locate J Tenza, the other son, to ensure his safety as well. However, it soon becomes clear that Adam has ulterior motives, plotting to eliminate J in order to transfer control of his father's empire to THRUSH.