Running away from home, Verne uses the DeLorean to travel back in time. When ...
Back to the Future
Season 1 Episode 11: Gone Fishin'
When Doc was four, he fell into a river during a fishing trip and has had a fear of it happening again ever since. After the boys learn about this, they and Marty try to change it. But they regret it when it leads to a mishap with a stunt plane, causing young Emmett Brown to become a famous daredevil.