Corrected entry: In the scene where John Jameson is walking down the stairs at the celebration party. The camera pans over the musicians and shows John Jameson and Mary Jane walking down the stairs as patriotic music is being played by the musicians. When the camera pans over the musicians, we can hear that the sax player is playing, even though we see that the sax player is just holding the sax, not playing it.
Corrected entry: After his mask is damaged, Spider-Man takes it off while standing on top of the train. The train is moving very quickly. When he drops it to his side, still in his hand, there is no movement caused by wind. Physically impossible.
Correction: There is no shot of him "dropping it to his side". The shot ends at shoulder level so we never see the mask after it comes off. Peter's hair is, however, blowing backwards from the wind.
Corrected entry: During Doc Ock's first fusion presentation, he has decided not to thoroughly pre-test the experiment, not provide eye protection for his guests, not provide any barrier between his guests and a fusion reactor, not provide an easy to find "kill switch" (pulling out bundles of unwieldy cables is not an easy disconnect), not have a back-up set of arms, to test in a room full of metal objects (we know that magnetism is a problem; he mentions that the arms must be resistant to magnetism), and to test an experimental fusion reactor in an unshielded apartment building in the middle of crowded New York City. It is possibly the worst planned experiment ever. This goes way beyond being "assured that everything will go as planned."
Correction: Several things contradict this. First of all, we do not know they are in an unsheilded appartment building. Afterall Oscorp is funding them, so for all we know, the building is a science lab. We only ever see the one room anyways. We do not know if there is a kill switch or not, Spider-Man only sees the power cords. And, Ock has likely pretested many factors, as he is ammused of Peter's worries about the experiment earlier. Plus, (most importantly) it's a movie about superheros. As if that is unrealistic enough anyways.
Corrected entry: At the beginning of the film, when Peter Parker is late delivering the Pizzas, but right before he changes into Spider-Man, he gets caught at a light changing from green to red, and right after this change a city bus goes speeding by. If the light just changed, how could the bus be going that fast when the light just changed?
Correction: The approach to the intersection most likely was clear (for the bus driver) at the time the lights changed. Many bus drivers have the exact same route everyday, it quite possible the driver knew the signal sequence well. He may have timed his driving just right so he would not have to stop at the lights. (i.e he just cruises towards the intersection and waited for the right time to accelerate).
Corrected entry: When Peter Parker arrives at work to deliver the pizzas he is told that he must go 42 blocks in 8 minutes. 42 blocks is enough distance to go from on end of most large cities to the other end. A New York block would be even larger. The pizza place's guarantee was 29 minutes or free. There is no way a company in New York would be able to make and deliver 8 pizzas 42 blocks away in that amount of time. There are a million pizza stores in New York so why would someone order from one so far away and what kind of pizza store would take that order and guarantee it?
Correction: Using Mapquest it is only 2.73 miles from E Houston ST & Broadway to W 42nd St & Broadway (that's approximately 42 blocks). 29 minutes seems like enough time to go less than 3 miles, even in Manhattan traffic, given that Peter's scooter should be able to get through most blockages.
Corrected entry: After the car crashes into the deli, Peter and MJ stand up and look out, but Doc Ock is nowhere in sight. After the shot changes a couple of times, people at the far corner of the street start screaming and running. How did Doc Ock manage to throw a car round a corner? Furthermore, considering the flight path of the car, it certainly was not thrown from far away so Doc Ock should have been within sight.
Correction: Remember, Doc Ock has the tenticles that can reach around things, such as corners, to throw things.
Corrected entry: In the elevator his costume is an all in one, but in other parts of the film he puts the head bit on separately.
Correction: It is not all in one. The mask just blends in with the rest of the costume.
Corrected entry: On his way to the play, just after Peter picks up the carnations there is a scene of him driving on the left side of the street, the wrong side of the street. It then cuts to a scene of the criminal's car coming up behind him and he is on the right side, the correct side, of the street.
Correction: He may have been driving in the leftmost lane of a 2-lane oneway street.
Corrected entry: In the scene where Mary Jane is being saved by Peter from the taxi that has been thrown through the cafe window it is very obvious that her hair is defying the laws of physics. It is traveling in the direction she is spinning which, even if the car was causing wind, it most certainly wouldn't be spinning. It would either be trailing behind her or being blown in front of her from the wind of the car. It is moving as though it were being blown that direction by a fan or something.
Correction: According to the laws of physics, if Peter and Mary Jane are spinning at a higher rate of speed than the the speed of the forward motion of the car being thrown at them, her hair would in fact wrap around her head in the direction in which they are spinning. Since the car never touches her hair (thereby disturbing the centrifugal force acting on her hair), the scene is not a mistake.
Corrected entry: In the scene with Peter and Mary Jane in the cafe before Doc Ock arrives, the street scene outside is a video loop. Some of the same events happen twice or more, spread over a few minutes.
Correction: This is not true at all. Sure enough, many yellow cabs can be seen in the background but the movements of the people appears to be unique. I could not find any evidence of repeated scenes/events.
Corrected entry: Spiderman pulls the two children to safety out from in front of the truck, when he lands with them you can see the wires used to drop them down.
Correction: In the DVD version, there are no wires visible at any time.
Corrected entry: Peter is told to deliver 8 pizzas to the office before the 29 minutes is up. He tosses his box bundle onto a ledge to rescue the two children in the street. If you count fast enough, there are only 7 boxes tied together.
Correction: When he puts the stack on the desk at the delivery, you can see there actually are 8. One is crushed in between two others so if you were counting them on that side, it only appeared to be 7.
Corrected entry: Unlike the Green Goblin in the first movie, Doctor Octopus does not have superhuman strength. He should not be able to handle the amount of hits that Spiderman (who is incredibly strong) lands, especially the ones to the head. Even if Spiderman was holding back a little for some reason, Doc Oc wouldn't be able to take that much of a beating.
Correction: In the comic books, Doc Ock absorbed some of the energy from the explosion that fused the mechanical arms to his body, thereby making it possible for him to stand up to Spider-Man in a fight. He wasn't anywhere near as strong, but was stronger than the average human. This is never explained outright in the movie, but it's implied by the very fact that Ock is going toe-to-toe with Spidey.
Corrected entry: Harry walks into the Goblin room and is startled by the Goblin mask his father wore. We are made to believe it is at the level of Harry's face. Yet as Harry backpedals, he never steps down from a platform and bumps into the pumpkin bombs as he notices the glider on an elevated platform. At that time, the camera pans out and you see Harry in the same spot looking at the glider and the mask is at waist level.
Correction: It could be another mask. After all, Goblin obviously had multiple gliders, so he may have created multiple costumes. In fact, if Peter only brought Norman's body back, it means he MUST have made more costumes.
Corrected entry: After Doc Ock drops Spider-Man off at Harry's house, Spider-Man's legs, wrists and arms are bound. When he sits up after Harry unmasks him, he never breaks his legs free of the ties yet he no longer has anything holding his legs together.
Correction: The wires are continuous (i.e., perhaps one long piece of wire, or several long ones). When he breaks them at his arms, it loosens the ones around his legs, so he doesn't have to break those as well... they just fall off.
Corrected entry: When the woman at the desk sees Peter coming out of the closet to deliver the pizzas, the clock on the wall shows a time of 2:05 or 2:06. You can tell even though it's at an angle, but the clock shows 2:03 when he puts the pizzas on the desk.
Correction: The clock on wall is not visible because as you say it's at an angle, and the face of the clock is not visible, so you can never see the time until he arrives with the pizzas.
Corrected entry: In the scene immediately after Peter decides he's not going to be Spider-man anymore, he stops to buy a hot dog from a street vendor. As he walks away from the vendor's stand, he lowers the hot dog out of the frame while he watches the cop cars go wailing by. When he raises his hand back into the frame and takes a bite of the hot dog, you can see that there is no longer a hot dog in the bun. Nothing to do with Tobey Maguire being a vegetarian, as the sausage was tofu anyway.
Correction: On the DVD at least, at no point do you see enough of the bun when it comes back into frame to tell if there's a hot dog in it or not.
Corrected entry: In the bank scene, when Doc Ock throws the vault door at Peter and Aunt May and they slide to either side of it, you can see the cables under Peter's chair used to pull it.
Correction: Corrected on DVD.
Corrected entry: Tritium is an isotope of hydrogen, both are invisible gasses, so the glass spheres Octavius uses to contain it should appear empty, not filled with gold-colored metal.
Correction: They pressurized the tritium to make it work better and fit into a smaller space. This caused it to become liquid, and we could now see what color it was, since it was no longer spread out so thinly. That's why it was in such a thick glass ball, so it wouldn't depressurize and explode all over the place.
Corrected entry: In the final scene where Kirsten Dunst is preparing for the wedding her hair is parted to the left. When running down the street it remains, however, upon a closeup with Tobey Maguire her hair is perfectly parted in the opposite direction.
Correction: At the beginning of that scene, she's looking into a mirror which would make it seem like her hair is parted on the left. It is actually parted on the right throughout the entire scene.
Correction: He's blowing into it and manipulating the keys, so my guess is that he's playing it.