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

S1E3 The Quadripartite Affair

In Yugoslavia, Solo and Illya team up with Marion Raven (Jill Ireland) to thwart Gervaise Ravel (Anne Francis) and her accomplices, who plan to deploy a fear-inducing gas to destabilize several governments. Although two of the villains are apprehended, the other two manage to flee, leading to further developments in "The Giuoco Piano Affair."