News3 mins ago
Back to the Future
But in Back to the future 2 Old Biff steals the sports thing goes back in time gives it to young biff and then he vanishes from exsistance when he gets back (it was the extras in the box set) this is because time changed around him. But according to a paper the Doc got commited therefore never building the time machine so old Biff could of never of gone back- a paradox and the universe wasn't destroyed, o well maybe i'm looking too much into this
Answers
No best answer has yet been selected by potterfan3. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.I presume you meant to write
In the Back to the Future trilogy they kept banging on, on how a paradox could destroy the universe. Eg if Marty never got his parents back togethter he would have never of been born, so he would have never gone back to split them.
But in Back to the future 2 Old Biff steals the sports thing goes back in time gives it to young biff and then he vanishes from existence when he gets back (it was the extras in the box set) this is because time changed around him. But according to a paper the Doc got commited therefore never building the time machine so old Biff could have never have gone back- a paradox and the universe wasn't destroyed, o well maybe I'm looking too much into this