Photo by Chris Roth, cropped (CC BY-SA)
The useless fact
What animal was Doc Brown's pet originally going to be?
Answer: A chimpanzee.
Why It’s True
Doc Brown was nearly given a pet chimpanzee before the filmmakers switched to a dog. Mental Floss documents it in “25 Fun Facts About Back to the Future.”
- Category
- Movie Facts
- Decade
- 1980s
- Franchise
- Back to the Future
- Difficulty
- Easy
- Updated
- Fact-checked November 5, 2026