During the Credits
Videos of cats and dogs playing, fighting, and doing funny & cute things are shown during the first half of the end credits of Cats & Dogs: The Revenge of Kitty Galore.
After the Credits (spoilers)
There is a stinger after the credits of Cats & Dogs: The Revenge of Kitty Galore which shows Mr. Tinkles still on the beach talking about his future plans not knowing he is still being filmed. “Cats Rule,” he signs off with.