This episode features President Ronald Reagan's famous "Evil Empire" speech toward what was then the Soviet Union on March 8, 1983.
One of the books visible on the bookshelf above the TV set showing Regan's "Evil Empire" speech is Michael Powell's autobiography (volume 1) "A Life in Movies".
Gene also had a Mr Atomic toy that was sat on his commodore monitor.
When Elizabeth and Paige are crossing the street in Germany, a nearby siren sounds exactly like the opening notes of the Jeopardy theme song.
This episode is the season 3 finale.