- At some point in the past, Biff used a baby velociraptor for fuel for the Mr. Fusion to power the nuclear reactor on the DeLorean, which polluted the timestream. Thus dinosaurs still existed, and lemon trees were present in the area that would become California.
- Doc Brown arrived with his sons Jules and Verne. He used his Proprietary Ultrasonic Subatomic Molecular Redistributor to shrink the molecules of the meteor that caused the extinction of the dinosaurs.
Community content is available under CC-BY-SA unless otherwise noted.