Spider-Man 3 (2007) - 148 mistakes

Continuity: In the bell tower, Eddie throws his jacket to the right, but it appears on the left side a second later.

Continuity: In JK's office, the first three bottles of pills are equidistant from each other. From the back, two of them are very close together.

Continuity: When the cop is about to climb on the truck, there's a grey car behind a yellow cab on the lane next to him. In the wide angle the grey car is nowhere to be seen.

Continuity: When Peter is dancing with Gwen, a chubby guy behind is snapping his fingers or waving heartily. The following shots of his movements, couple frames later, show him in totally different positions.

Continuity: When Venom dies, from the front shot Peter takes his hand away from his face. From the immediate back shot he still has it placed there.

Continuity: The first time we hear MJ's answering machine message, she says something along the lines of "Sing your song after the beep, 'beep'" then we hear the electronic beep. The second time it sounds exactly the same, so she hasn't re-recorded it, except this time her message cuts off before she makes the beeping sound.

Continuity: When JK is receiving a marketing lesson in his office, the amount of water in his glass increases between shots instead of decreasing.

Revealing: After Peter first encounters Eddie as the "Black" Spider-Man, Eddie takes out a second camera and begins taking photos. However if you look at the camera's flash - you'll see it's reflecting the flash from somewhere behind the camera - it's not generating them.