Garfield 2
http://channelawesome.com/garfield-2-a-tail-of-two-kitties-nostalgia-critic/
"You're dead if you aim only for kids. Adults are only kids grown up, anyway". - Walt Disney
It was a nice review, but I prefer the one made by Eric Rodriguez.
Oh, and the "plot hole" of the dungeon can be explained: the animals altered it sometime before the movie started.