Revealing mistake: During the scene with Maverick and Rooster in the F-14A, you can see the cockpit of the F-18F being reflected off Rooster's visor on the helmet.
Revealing mistake: When Gerard Butler is driving to the warehouse to find Frank, the speedometer and the rev counter are on 0.
Suggested correction: I could not see Will's speedometer or tachometer (RPM gauge) during his drive to Frank's. What I did see (and believe you saw) was the patrol officer's instrument panel while he was parked along the road using radar. This was before he pulled out to chase Will's speeding SUV, so both gauges should have been on the far left (i.e, on "0"). [00:46:28].
Revealing mistake: When Sonic and Tails arrive in Green Hills on the biplane, Tom and Maddie are looking up at them, but not focused on the same point. Instead, Maddie is looking to the left, and Tom to the right.
Revealing mistake: When Ritchie tackles Sam down the stairs, you can get a pretty clear look at both the stunt-man and stunt-woman's faces as they fall. They then switch back to the actual actors once they reach the bottom of the stairs.
Revealing mistake: Becky calls Dan on her iPhone, as she puts it to her ear you can still see the contact info while Dan's voicemail is playing and not the actual call duration screen. (00:05:21)
Revealing mistake: While in the helicopter, Alan's eyes do not align with the location of the Dreadnoughtus. Alan is looking to his far right before the helicopter even approaches the dinosaur and it is shown across the front of the screen. Alan's eyes then stay fixed straight ahead (even after passing the dinosaur), giving the impression he's looking at the dinosaur, but he would have needed to keep turning his neck to the right as the helicopter flew past in order to keep it in sight. (00:35:14)
Suggested correction: It's a common movie trope. The two things aren't happening in sequential order. They're happening at the same time. Alan isn't looking before the helicopter approaches the dinosaur...you're seeing the inside of the helicopter as it approaches and passes the dinosaur. They're happening at the same time.
Revealing mistake: When M3gan grabs the dog through the hole in the fence, the face of the person is not M3gan. (00:37:31)
Revealing mistake: When Chris Evans is dragging the girl into the maze at the end you can see the burn mark on his shoulder creasing with his shirt.
Revealing mistake: During the (second) bank robbery, the ceiling was frequently unusually close to the top of the robbers' heads (inadequate clearance), indicative of a poorly positioned green screen (or CGI). (00:16:35 - 00:17:00)
Revealing mistake: There's something odd about the chair that is (or is not?) to the right of Monsignor Kelly when Stu goes into his office to talk. Only part of the back of the chair can be seen and it is not directly in front of the Monsignor, but there is not enough room for the seat part to be there (otherwise, the Monsignor could not be standing where he is). Without any indication that the Monsignor or chair moved, the Monsignor is later able to rest his right hand on the chair's back. (01:13:57 - 01:14:37)
Revealing mistake: After the shark got Lisa, Annie climbed atop her overturned kayak and was lying with her stomach about mid-way on the kayak with her feet over the back sides. The kayak was not long enough for Annie to have her body on half of it; her legs did not look real (odd-shaped and disproportionately short/CGI). When Nic got to the kayak, Annie's toes were on top of the (overturned) kayak instead of her feet hanging over the sides. (00:36:21)
Revealing mistake: It was quite obvious that the beaver was fake, and not a very good one relative to the capabilities of contemporary CGI. (The first time, the beaver was presented as real; the second time, it was meant to be comical). (00:59:20 - 01:29:13)
Revealing mistake: In the wide view, the tree trunk is perpendicular to the level ground while Birdy and her cousin are standing. There is no large tree to the left, just a fence-like display of shrubbery parallel to the ground running across the rear of the screen. When the camera shifts to the girls sitting next to the trunk, they are made to appear as though they are sitting on a grade (not level ground), the background shrubbery runs diagonally across the screen, and a large tree is visible to the left. (00:32:38)
Revealing mistake: The French tanks that attack Paul et al. Towards the end of the second act are supposed to be Saint Chamond tanks. There is only one of those left in the world, and it is not on screen: the undercarriage and tracks don't even come close to looking like that of a Saint Chamond, because it's actually a BMP-1 dressed up to look like a Saint Chamond.
Revealing mistake: Jimmy's [Matthew Lawrence] glass of cola on the table is filled to a level slightly above the groove (mortar joint) in the cement block wall. The next front view shows the top of Jimmy's glass slightly above the same groove and the level of cola is about 2" below the groove. A little later, the level of cola in the glass is like it was earlier - slightly above the groove. A cement block wall is stationary and nobody raised or lowered the table; use of a green screen can explain the anomaly. (00:08:05 - 00:08:41)
Revealing mistake: Luke points a flashlight along the side of the staircase, but no shadows are produced on the wall from the vertical posts. Luke points the flashlight in front of himself and produces his shadow on the wall behind (and the shadow doesn't look like the way he is holding the flashlight). After Luke goes through the entryway aiming his flashlight ahead, a circle of light is behind him. The power is out, so the flashlight is the only light source - except that used for filming in the dark. (01:03:00 - 01:05:25)
Revealing mistake: The aerial view showed it was not raining during the "supercar race", but the ground views showed at least two cars getting sprinkled on (one enough to turn on the wipers). When the camera shifted to road-level, the cars and road were dry. (Suggests filming at different times). (00:31:15 - 00:31:48)
Revealing mistake: During the battle of the Chosin Reservoir, just before VF-32 comes in to provide air support, the Marines are firing their M1 Rifles. One of them mimics the recoil of it but we don't see the bolt move back when he fires his rifle. The M1 Rifle or Garand is semiautomatic, and the bolt moves back each time the shooter pulls the trigger.
Revealing mistake: When Danny and the others are riding in the "RLC" truck to the bank, the sky is mostly a pale blue (almost white at times), but is suddenly a darker blue between two buildings. After returning to mostly pale blue, the sky turns into a much larger area that is a darker blue, then goes back to pale blue. Suggests filming on different days and/or use of CGI to fill in the sky but failing to use a consistent or similar color. (00:18:25 - 00:18:56)
Revealing mistake: The guy with the sunglasses changes from behind and in front of shots. (00:09:46 - 00:10:15)