EntityQ7662220· pop 7· linked from 34 articlesSynchronySign in to saveepisode of The X-Files (S4 E19)Connectionsquantum mechanicsEntityLos AngelesEntityStephen HawkingPersonHarry S. TrumanEntityApple Inc.ConceptInternational Standard Book NumberEntityJ. Robert OppenheimerPersonIMDbEntityFederal Bureau of InvestigationEntityMassachusetts Institute of TechnologyEntityCambridgeEntityGillian AndersonPersonAtomic bombings of Hiroshima and NagasakiConceptFox Broadcasting CompanyEntityThe X-FilesEntityManhattan ProjectEntity20th Century StudiosEntitydeterminismEntityDavid DuchovnyEntitytime travelEntityCategories1997 American television episodesTelevision episode articles with short description for single episodesTelevision episodes about murderTelevision episodes about time travelTelevision episodes set in MassachusettsTelevision episodes written by David GreenwaltTelevision episodes written by Howard GordonThe X-Files season 4 episodes