Continuity mistake: There's an electrical outlet on the wall below the window (aligned with the window shade's loop) in Sid's room near the Megadork poster, but when Sid throws Woody to the floor and raises the shade (before he scorches Woody's forehead with the magnifying glass), that outlet has vanished.
Continuity mistake: Tom and Huck have just swore they won't tell about the murder. Tom writes an oath, and Tom and Huck slit their fingers to sign it in blood. Tom, slits the index finger on his right hand. He signs the oath, however, with his index finger on his LEFT hand.
Continuity mistake: When Babe is walking through the house, you will notice that several times his feet switch from muddy to clean as the camera angle changes.
Other mistake: In the scene where Robin Williams tells Sarah that she needs a 12 to win, she rolls a 3. The next time she rolls, Robin tells her she needs a 7 to win.
Continuity mistake: In the first movie, the wedding took place on January 6th. But in the opening sequence here the framed wedding invitation says October.
Visible crew/equipment: When the priest arrives and when he later walks to the house, lighting screens are reflected on his glasses.
Plot hole: When Morgan and her Slave/New Boyfriend are escaping from the burning ship, which is going to explode any second, they emerge onto the deck, run up a flight of stairs, cross the deck to the stern rail, look about themselves, then dive overboard. They know the ship is about to explode and are desperate to get overboard. The railings are about a metre away from the hatch they emerge from in the first place - why not just jump overboard there?
Visible crew/equipment: During the battle against the dinosaur skeleton, you can see a SFX guy in one shot as the creature whips its head around. He is on the left edge of the screen, standing partially in the frame and visible for nearly a full second.
Continuity mistake: When the soccer coach is talking to the team in the class room she pulls down the world map on the screen. The camera flips back to the team for about 2 seconds and when the camera turns back to the coach the screen is pulled up.
Continuity mistake: The pictures of Sara's parents in the locket switch places throughout the movie.
Continuity mistake: In the scene where Max cuts down the bridge and the real scout master dives after Max cuts it down, in the backround in the top left corner you can see the scout master get up, then when the camera goes to the scout master, he gets up again.
Continuity mistake: When Omri receives his new skateboard as a birthday present the deck is red with two white stripes. For the rest of the film it is red with blue stripes.
Factual error: The equation written on the board does not come out to be "11", in fact, it's not really solvable because it doesn't have 2 sides, just a "?" on one side.
Continuity mistake: When they call the sausage company in Omaha, it is busy. When they show the phone in a couple shots later, it has more that one line and shouldn't have been busy.
Continuity mistake: Young Brian plays with his Star Trek figures on the carpet. When Fluke comes in, between shots the position of the other figures on the carpet has changed.
Continuity mistake: After Wallace gives the woman the balls of yarn, the balls change position between shots.
Continuity mistake: In the tournament at the end, the other people on horses that are competing don't even try to knock them off their horses.
Continuity mistake: Early in the movie when Thomas falls overboard, John Smith ties a rope around his waist (00:02:56) and jumps in after him. Thomas is very far away from the ship (00:03:12). But when the men pull John and Thomas up, John is holding on to the rope with one hand and the end is left dangling (00:03:36). One of the men who pulled them up then coils the rope with a mere two coils (00:03:48), not nearly long enough to have reached Thomas while he was overboard. In the same scene, when we are viewing the men pulling John and Thomas up from above (00:03:38) there is no extra rope at their feet as there should have been for such a long rope.
Continuity mistake: In the scene when Junior cuts the tree with his chainsaw, when he looks up to see how high it is, we can see it has branches. In the next scene when the tree falls on Scoutmaster Flimm, it doesn't have them at all and is cut straight at the top. (00:29:40 - 00:31:00)
Continuity mistake: When Steele is falling down the cliff with Jenna's bandana in his mouth, right before he hits the bottom, the bandana turns white.