In the bonus features menu click one right to highlight the hat and one left to highlight the pink stain and press select and you'll get a video on the dog "The dog in the hat"The Cat in the Hat (2003) - 2 easter eggs
Directed by Bo Welch, starring Alec Baldwin, Dakota Fanning, Kelly Preston, Mike Myers, Spencer Breslin
Easter eggs are hidden bits on DVDs which aren't advertised on the cover, but if you know where to look can provide all sorts of fun extras.
In the bonus features menu click one right to highlight the hat and one left to highlight the pink stain and press select and you'll get a video on the dog "The dog in the hat"
Go to the Deleted Scenes (under the fish) and flip to scene numbers 10 and 11. You'll then see Kelly Preston getting stuck in a flash flood. That was the same flood they used in Big Fat Liar where the guy operates the water from his laptop. Submitted by BigOLB