Timeline 50 (also known as 1991A) was a timeline created when Dr. Emmett Brown, Jules Brown, and Verne Brown traveled from October 10, 3000000 BC to 1991



  • 1991
    • Saturday, September 28Doc, Jules, and Verne return from October 10, 3000000 BC. In this new dystopia, dinosaurs never became extinct. A rogue dinosaur, Donnie, saves them. To save everyone who were humans, they go back again. This creates Timeline 51, which begins at Doc, Jules, Verne, and Donnie's entry point on October 10, 3000000 BC and timeline 50 fades away. 
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