The Man from U.N.C.L.E.

Season 2, Episode 19

Episode Title: The Waverly Ring Affair

Air Date: 1966-01-28

Overview:

When secret ""File 40"" documents turn up outside headquarters, Waverly assigns Solo and Illya to find out if George Donnell is a double agent. Carla Drosten is too anxious to accuse Donnell and Solo must use special ""Waverly rings"" to try and expose the real double agent.