In 1991, Emmett's sons, Jules and Verne discovered this fear after asking their father to go to the Father-Son Big Mouth Bass-Off.
They traveled to 1926, together with Marty Mc Fly, in an attempt to prevent the accident.
Indeed, last year's contestants faced a Cha-Cha-Cha Challenge, with previous years' celebrities facing off in a Waltz-a-Thon and Quickstep-a-thon respectively.
Mollie King & AJ Pritchard, Susan Calman & Kevin Clifton, Alexandra Burke & Gorka Marquez, Debbie Mc Gee, & Giovanni Pernice, Gemma Atkinson & Aljaž Škorjanec, Davood Ghadami & Nadiya Bychkova and Joe Mc Fadden & Katya Jones remain in the competition.
The pair hosting the show went down well with the public as most people where saying about how they are such a ‘nice couple’.
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And it's also going to be pretty fun to watch, because who doesn't love a Doble?
The news shouldn't come as too much of a surprise, since the contestants have endured similar challenges in previous years.
Doc's role models were scientists, as evidenced by the names of his dogs and the portraits of Isaac Newton, Benjamin Franklin, Thomas Edison, and Albert Einstein found in his laboratory (which were on his fireplace mantle in 1955).
Emmett's father, Erhardt Von Braun, was born in Germany, but sought a better life in America.
By 1931, Erhardt Brown had worked hard and had studied law, becoming a Hill Valley city judge.
That summer, Judge Brown made father made him work as his Junior Clerk in the Hill Valley Courthouse.
Uncle Oliver realized that Emmett could bring in a lot of money, so he signed a deal to have Emmett become a famous silent film star, doing crazy stunts around the country. In reality, Tannen planned on keeping Emmett in the barrel for the "realistic" look.