Many universes theory, like what occurred with the man from Taured. The B-17 that landed was from a universe where it was "not" damaged. There are some type of entities that straighten out these occurrences - the same ones who removed the man from Taured from his hotel room and his paperwork from the security office took the B-17 crew shortly after

landing to insure only a single copy of the crew members remained in THIS universe but they left the plane due to all the eyewitnesses. There are "holes" or intersections where you can move between universes or jump from one place to another. Micro wormholes. Mr Fentz walked through one and jumped from the 1870's to the 1950's. They not only traverse timespace but link neighboring universes.