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

S1E11 The Neptune Affair

A rocket launch inadvertently unleashes a harmful spore over the Soviet grain belt, leading investigators to uncover its origins in the United States. As tensions rise, Illya Kuryakin is summoned back to Russia, where officials threaten retaliation. With Illya occupied, Napoleon Solo must undertake a solo mission to locate a band of scientists intent on igniting World War III.