Continuity mistake: When The Terminator's stolen police car is shown up close in the parking structure, the motto on the left side of it reads "to care and to protect." After the car crashes, you can see the motto on the left side again, but this time it reads "Dedicated to serve." The car's trim and position/orientation of the police emblem change as well.
Continuity mistake: After Gerry gets smacked in the face by the 'broken' suspender clasp, we see the silver clasp land under the dresser. Yet, when he's moaning and lifting his leg to get onto the bed, we can actually see the clasp still intact on the front suspender that came loose, which is dangling right behind him (just look between his legs). Of course, in the next shot, that clasp is gone. Since the silver clasp is one of the plot points, this is bizarre to say the least.
Continuity mistake: When John and Catherine are in the hangar at the runway, the Cessna's tail number is N3035C. When the plane is shown in the air, the number is N3973F. When they land, the tail number has changed back to N3035C.
Continuity mistake: In the bedroom scene the girl is holding a clear cup full of beer. The camera goes off her and when it comes back she is holding a blue cup. The camera goes back off her then on her and the cup is clear again.
Continuity mistake: When Sam is in his bedroom, after he finds the Cube sliver it falls and dramatically burns a hole through the floor into the kitchen. But Sam's bedroom is over the living room (there is nothing on the ground floor below Sam's elevated bathroom, and in the first movie Jazz hides in this open space), and the kitchen is actually located between the den and dining room, at the other end of the house. If they were to follow the actual floor plan of the house, the Cube sliver would have landed in the area of the piano in the living room, but where would the fun have been in that?
Continuity mistake: At an Astros game, a visiting Milwaukee Brewers player is shown batting with a dark shirt. Later, when the Astros win, all the Brewers are wearing white or light-colored shirts.
Factual error: In the scenes at Kings Cross railway station in London, overhead wires are visible above the train; Kings Cross did not have these until 1975.
Factual error: In the docking scene where Coop is trying to dock the service module to the partly damaged Endurance, the Endurance is spinning around its center axis. As the ship was damaged around the perimeter it would spin around its new center of mass, that would be off axis. The docking bay itself would revolve around this new axis, making alignment much harder.
New this month Character mistake: When Peter catches the prison guard listening to his Sony Walkman, Peter tells him to take the headphones off and the guards taze him. Peter, referring to the song the guard is playing, then says "Hooked on a Feeling, Blue Swede, 1973. That song belongs to me." The Blue Swede version of "Hooked on a Feeling" was released in 1974, not 1973.