Chapter three: Piloting a small cabin plane, Monk, after setting the time bomb, bails out of a bi-plane which catches on fire. When it crashes it becomes a small cabin plane.
In Chapter: 7, during the fight in the laboratory, in the background, the freight elevator gate falls down. A few seconds later the gate is back up.
In Chapter 4 when the plane piloted by one of Lionel Twill's men lands, it pulls in nose first into a garage. Later in that same chapter it pulls out nose first miraculously turning around in the small garage.
When Huntz Hall, Bernard Punsly and Gabriel Dell try to hide Noel Cravat in the closet, the closet moves.
In Chapter: 4, right after the airplane explodes, Jerry (Frank Albertson) calls Billy 'Ace' Holden, "Eddie" by mistake.