- Saturday, September 28: Doc, Jules, and Verne return from 3000000 BC. Donnie dies, but Verne meets his descendants.
- Saturday, October 5: Marty McFly notices Jennifer Parker tutoring Kelp and becomes jealous because he thinks Jennifer is cheating on him, and she pushes him into the water fountain. The Brown family travel to 3000 BC. This creates Timeline 53, which begins at Doc, Clara, Jules, Verne, and Einstein's entry point in 3000 BC.
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