Dr. Karl Turek is working on a mind-control drug and needs the help of a defecting American couple, the Jarvises, to perfect it. Jim and IMF agent Meredyth take their place and must pit Turek off against his military rival, Colonel Borodin.
Episode number: 4x3 Production Number: 401 Airdate: Sunday October 12th, 1969
Colonel Borodin: Sometimes--sometimes it is difficult to face the fact that six years' of hard work is for nothing. Dr. Karl Turek: Yes, it must rather be like working for a promotion that you do not get.
When Barney approaches Voss' car, he isn't carrying a case.
However, after he springs the lock, the case appears on the ground at his feet.