In the 1985A universe, Marty McFly had been sent to boarding school there. When the time-traveling Marty appeared in Hill Valley, Biff Tannen assumed that 1985A Marty had been kicked out of "another boarding school", as he had been before.
- Switzerland is a neutral country and has never had such a problem, nor is it ever likely to have in the foreseeable future. The aforementioned reference to a "Swiss terrorist threat" was probably a joke by the writers.
- Back to the Future Part II (Mentioned only)