Continuity mistake: When the squirrel gets stuck between the 2 glaciers he gets stuck at the bottom of them, but then it shows him getting fired out of the top of them. (00:02:49)
Suggested correction: Scrat may have got sucked up to the top.
Or squeezed all the way up and spat out. Either way Scrat is a much cartoonier character than the others and more extreme things happen to him.
Continuity mistake: The scene where Scrat is trampled you see the feet of a camel-like animal and the feet of a mammoth. When the camera pans up, the mammoth is nowhere to be seen. (00:03:23)
Continuity mistake: Scrat lands on the main road and is not stepped on for 16 seconds. During that time, not one animal passes by. Yet once he is stepped on, the animals pass by at 2 to 4 seconds each, and when the camera pulls back, you can see dozens of animals. Scrat should have been hit as soon as he landed. (00:03:25)
Continuity mistake: When Sid wakes up and finds out that his family has abandoned him again, a animal in the process of migrating is walking by him leaving no traces of anything. But when Sid takes his next step, he walks into some feces he claims belongs to the animal that just walked by him. But the animal did nothing at all, the feces wasn't even there to begin with. (00:05:59)
Continuity mistake: Near the beginning of the movie, when Sid decides to return the baby, he starts trying to climb up the cliff. The baby falls out of the little sleeping bag. After that, we never see it until it's used in the plan to escape the saber-toothed tigers. Animals don't have pockets, and I don't remember seeing anyone carrying it around, so where was the sleeping bag in between these two times? (00:20:10 - 00:38:55)
Continuity mistake: When Sid is climbing up the wall, he is having trouble at a metre above the ground, Manny starts to say something. Mid-sentence the shot goes back to Sid and he is twenty metres up. (00:20:35)
Continuity mistake: In the cave scene where the animals are racing down ice tracks, there is a close shot showing Manny with his trunk flapping to his right. Then there is a long shot and his trunk in now flapping at his left. (00:47:10)
Continuity mistake: In this scene Soto backs Lenny into the rocks as he describes how to bring Manny down, as Zeke and Oscar are walking on Soto's left and right side. When Soto finishes talking, Zeke and Oscar have suddenly switched places. (00:56:50)
Continuity mistake: Manfred, Sid and Diego decides to rest after having set up camp in a shelter; Sid, being right next to Diego to Diego's right, transitions from sitting to lying down, and in the next shot has disappeared. (00:57:25)
Continuity mistake: During the long sequence when the two animals are racing downhill through the snow, the weather suddenly changes from very snowy to extremely sunny.
Continuity mistake: At the part where Sid, Manny and Diego are at the "shortcut" Sid says "I choose life" and walks out of the shadow of the glacier thingies. In the next shot, the shadow is completely gone.
Continuity mistake: At the end of the film when Manny lifts Diego by his tusk, the position of Diego's left paw on Manny's tusk changes places between shots.
Continuity mistake: When the Sabres are chasing Sid on the skis (made out of two slabs of rock), Sid loses one of the skis, one of his feet is then flapping about and the other one is on the back end of the ski (which then becomes a snowboard). In the next shot(no time between them) Sid has his foot halfway up the ski.
Continuity mistake: At the beginning of the movie, the feet of two mammoths and a dodo bird can be crushing Scrat, but when the camera pulls away no mammoths or dodos can be seen in the herd.
Continuity mistake: During the ambush sequence, the sky is dark and overcast. However, while Sid is creating the distraction by skiing and snowboarding, the sky is bright blue with white fluffy clouds, and immediately thereafter the sky returns to dark and overcast.
Continuity mistake: When Diego, Manny and Sid are chasing the kid in the ice tunnels. They are right behind the kid. But when the shot shows the kid, the other 3 are nowhere to be seen.
Continuity mistake: The ice glaciers that come together to form the one that Scrat got launched from were both the same except for one facing the other way, but they come together perfectly.
Continuity mistake: When Diego falls to the ground after Soto injures him, he lies on the ground right in front of Manny. But later, he is seen lying further away from Manny.
Continuity mistake: During the fight with the dodos, Diego disappears when Manfred is keeping the melon away from the dodos. When the melon goes flying, Diego is back beside Manfred.
Continuity mistake: When Lenny and Oscar witness Soto's death, they are standing next to each other. But, in the next shot where Manny looks at them, Oscar is standing further apart from Lenny. They stand next to each other in the next shot, but in the shot where they flee, they're standing apart from each other again.
