During one of these trips , Spock encounters the younger Braithewaite on Aleph Prime , explaining why the lawyer found him familiar .
However , Spock 's efforts are complicated by the proliferation of timelines and the difficulty in modifying them .
During one of these trips , Spock encounters the younger Braithewaite on Aleph Prime , explaining why the lawyer found Spock familiar .
However , Spock 's efforts are complicated by the proliferation of timelines and the difficulty in modifying them .