 14) Doc and his family travel from the future to 1985 to introduce    Marty and Jennifer to Jules and Verne, and to give Marty an    undamaged photo of he and Doc Brown in front of the clock.    Additional off screen time traveling has occurred as stated by Doc    Brown, when he tells Marty that he has "already traveled further    ahead into time to see what else happens" in Back to the Future    Part II.