The Champions 1969 S01E28

Episode: The Final Countdown. After twenty-five years in prison for war crimes Nazi Field Marshall von Splitz is released and evades observers. He and his followers are anxious to trace an atom bomb, jettisoned from a stricken Heinkel in the last days of World War Two. Having questioned and killed two former Luftwaffe pilots they find it in a lake in Germany and intend to detonate it, playing West against East to start another war.