Space Time Continuum Back To The Future

The very essence of the back to the future franchise is about not altering past events in fear that it could cause a chain reaction that would unravel the very fabric of the space time continuum and destroy the entire universe dr emmet brown.
Space time continuum back to the future. 01 41 06 the space time continuum. 01 41 09 well i figured what the hell. Furious about the possible effects that knowing his own future could have on the space time continuum doc refuses to read the letter and rips it up. This is the timeline doc and marty exist in separated by 7 decades of time at the end of back to the future part ii and the beginning of part iii before marty s trip back to 1885.
Marty is clearly upset but he doesn t have. 01 41 02 what about all that talk about screwing up future events. In the case of the delorean the earliest time one could visit in the past was 0000 or year 0 and the latest being the last day of 9999. Instead it s the curvature between space and time which is part of einstein s.
The space time continuum consisted of all years in the past to an unknown point perhaps the 4 digit limit set by the time machine itself.