Bolt

(at around 50 mins) When Penny is printing "LOST DOG" flyers, the last 4 digits of the phone number on the copier are: 8423. This makes the number (877) 504-8423. 877-504-8423 is a number reserved by ABC for movies and TV series. Calling it will provide the following short tape recorded message: "Thank you for calling ABC. The number you have reached is a fictional non-working number used for motion picture and television production."

(at around 20 mins) In the "Cliffhanger" scene, Penny rolls a penny to distract the guards. The close-up of the back of the penny is missing Abraham Lincoln sitting in his chair. This happens frequently in cartoons. Since there are laws against depicting currency too realistically in reference books etc., the animators are being overly cautious to avoid accusations of counterfeiting.

At the end of the credits, a hamster running in a hamster wheel comes up with the words. When he stops running, the words stop moving. Another hamster enters in from the left to take his place. After a high-five, they switch. The first hamster walks off, the second starts running, and the credits resume rolling.

In the German version, the hamster's name has been changed from Rhino to Dino.

Edited into Zenimation: Discovery (2020)