Corrected entry: Lava solidifies when it touches air, so lava falls wouldn't be red and yellow; it would be brown and black, with traces of red.
Corrected entry: Scrat and Scratte were riding the rocket up to the ice world. They both grab the acorn, Scrat yanks it out of the rock, Scratte falls away, but shouldn't Scrat fall, too?
Correction: No, because he's still sat atop the rock(et), where as Scratette fell off because she lost grip of the acorn, Scrat never did.
Corrected entry: In the scene right before the carnivorous plant scene, Ellie says, "Hold on". The camera then switches to Manny, and you can see Crash, Eddie, and Diego walking in the background. However, if you look to the right of Diego, you can also see Buck, even though he hadn't joined the group yet. He then disappears from them until the time he's supposed to appear. Perhaps maybe he was originally going to join the herd in his first appearance?
Correction: Buck was shadowing the group the entire time they were in the dinosaurs' land, as he points out later on.
Corrected entry: In the first Ice Age, the mammoth, sloth, and tiger returned a human child to its parents. But in this movie, there were dinosaurs when dinosaurs were extinct, before Eskimos.
Correction: The whole point was that the dinosaurs were in another, parallel existence. It requires a stretch of the imagination, much like talking animals, but it's not a plot hole.
Correction: Lava does not instantaneously solidify when it touches air; I've seen many videos of lava flows where the entire flow is glowing bright orange.
BocaDavie ★