Back To The Future: Why Jennifer Faints Seeing Her Future Self, But Biff Doesn't

Summary

The third instalment also fox audience into check a full - blown Western , despite the musical genre having become largely extinct by the time it was release in 1990 . While the sequels largely follows the escapade of Doc and Marty , it ’s almost well-to-do to forget the latter ’s lady friend Jennifer ( Elizabeth Shue ) tag along too . For whatever rationality , Doc admit Jennifer to come to his and Marty ’s 2015 risky venture - only to almost immediately render her unconscious after they arrived . Due to some comic hijinks , Jennifer is later bring to her next house where she gets a trailer of matrimonial spirit with Marty and their teenagers ( also played by Fox ) .

relate : Back To The Future : Why Jennifer Was Recast Twice

There’s A Simple Reason Jennifer Faints But Biff Doesn’t

Jennifer has to shroud while invalidate her family unit , but just as she tries to conk the firm , the honest-to-goodness Jennifer ( Shue ) come in the door . They both take a second to soak up what ’s happening and at the same clip young Jennifer call " I ’m old ! " and older Jennifer yells " I ’m young!",both reading of Jennifer syncope due to the impact . Doc is then able-bodied to take the unconscious Jennifer out of the theatre and avoid any further sentence paradox .

interrelate : Back To The Future ’s Original Cast & Why 3 actor Were Replaced

To Biff , he ’s just talking with some weird one-time homo who is rave nonsense about a book that can predict the results of every major sporting event for the next four decennary .

While some viewers may inquire why unseasoned Jennifer passes out when confronted with her elder ego but Biff ( Thomas F. Wilson ) does n’t , the continuation itself reveals the answer : young Biff has no estimate he ’s look at his onetime ego . To Biff , he ’s talking with some weird old man who is spouting gimcrackery about a book that can predict the results of every major sporting event for the next four decades . A skillful detail is that even though young Biff never realizes who this elderly valet de chambre is , old Biff becomes progressively pissed by his younger self ’s buttheadedness .