Directed by: Tim Johnson, Karey Kirkpatrick
Starring: Bruce Willis, Steve Carell, Garry Shandling, Wanda Sykes
Continuity mistake: When R.J. pulls the wagon to stop Verne, The ground hook and chain is next to the right front wheel. But while R.J. and Verne are talking there's no chain or hook to be seen until they start pulling the wagon from each other. (00:40:25 - 00:40:55)
Plot hole: It would have taken much longer to build the 54 acres of homes than the animals hibernated, so there's no way they couldn't have known what was going on around them.