Trivia: According to Disney there were 6,469,952 spots painted on the dogs.
Trivia: Peg from "Lady and the Tramp" can be seen in the window of Percy's Pet Shop during the "Twilight Bark" sequence.
Trivia: During the wedding of Roger and Anita, the stained glass window has several "Hidden Mickeys" on it.
Trivia: At the time of its release, "101 Dalmatians" was the most successful animated film ever. If it didn't do well, then Disney would have shut down its production studio.