
Deliberate mistake: When Scrat's coconut falls from the tree, it has already had its husk removed. The directors confirm this on the DVD commentary. They may have been worried that a lot of their audience would not recognise a coconut with its husk on. (01:11:45)
Answer: The sequels take place before he was frozen.
MasterOfAll
That's not true. If the movies made later were prequels, how would the characters all already know each other?
Good Lord, people are overthinking this, hahaha. It's a silly animated movie series primarily aimed at children. It's OK if the Scrat character doesn't have super-concise continuity. It'd be like getting upset over the Looney Tunes not having strict continuity.
TedStixon
That one scene is set much later than the other films. The sequels aren't prequels.