parallels 11th episode seventh season american science fiction television series star trek generation overall originally released november broadcast syndication episode written directed executive producer wrote final scene episode uncredited set 24th century series follows adventures crew federation starship enterprise episode returns bat tournament slowly discovers moved parallel crew alternative enterprise realise happening seek return reality attack ship space time explodes causing hundreds thousands alternative versions enterprise enter universe course versions enterprise returned respective intended focus parallels changed change order differences obvious worried relationships significantly differ near producers concerned confusing nature initial proposal felt changes greatly improved appeared replacing initial plan include concerned copying yesterday enterprise parallels received nielsen ratings percent highest season fans upset romance critics responded favorably episode praise directed plot competing bat tournament planet iii lieutenant returns enterprise treated surprise birthday party annoyance attends party starts notice subtle changes flavor cake changing painting given data appearing different wall changes start pronounced vessel attacks enterprise unfamiliar controls result failing raise shields leading death despite retaining initial memories evidence reality changed personal logs support stories given crew members major changes occur captain enterprise reality killed enemies federation lieutenant enterprise chief medical officer finds married investigation crew find unusual quantum signature confirm different universe crew original return bat tournament passed time space engines causing quantum parallel data determines proximity caused shift universe covers different possibility effect possibly happen parallel universe believable changes reality experiencing enterprise returns location attempting return original universe enterprise attacked ship causes realities merge resulting versions enterprise appearing area space data determines way restore realities send enterprise universe passing engines locating correct ship begins travel attacked enterprise come overrun universe crew refusing return enterprise left fires hostile ship destroys safely passes finding single enterprise boarding finds time passed initially entered returns room expecting surprise party finds waiting single present knowing married alternate invites share dinner production initially conceived episode centered captain planning story realised great deal personal differences realities decided include main character chose place romance felt people expected considered writing episode felt copied yesterday enterprise replaced played changes script intended sung happy birthday language cost rights song idea dropped executive producer approved initial outline concerned potentially confusing happy outcome described having worked like felt romance subtly played writers fifth season episode ethics ambition sixth season included parallels relation featured times final season generation initial idea taylor felt means evolved saved thought appearance explained time felt intriguing wanted avoid suggesting going insane theme covered previous season episode frame mind director sought conclusive ending episode state future intentions suggestion champagne written taylor accommodate parallels number previously seen props costumes including entire uniform wardrobe exception season outfits elements space station model appeared episodes alternative episode seen future imperfect space station deep space dress star trek wrath khan modifications bridge set reality later future enterprise series finale good things effect shot multiple enterprise achieved model multiple angles resulting appearing screen scene multiple produced use split screens stand ins simultaneous portrayal numerous different cited film star trek proof despite movie creation secondary timeline regular trek universe unaffected original series onward went said parallels worlds interpretation quantum mechanics new timeline previous unlike previous episodes franchise city edge forever yesterday enterprise themes idea featured parallels discussed commentators theoretical physicist praised episode inclusion idea book physics star trek added incorrectly explained measurement quantum mechanics quantum mechanics theory explained episode called little book star trek human factor based mathematical physicist theory identified physics gap physics quantum physics noted use star trek franchise idea different reception home media release episode aired week commencing november broadcast syndication according nielsen_media_research received ratings percent means watched percent households watching television timeslot placed second watched syndicated week fourth viewed episode season descent eye good things fans upset introduction romance felt correct taylor said fans felt relationship inevitable simply got introduced new romance instead zack_handlen review gave episode grade said nicely balanced episode good chemistry handlen praised comic timing enjoyed image versions enterprise appearing universe criticised level second half episode ign writer released asking parallels episode series gave episode rating review expressed love episode praising parallels partly frustrated better enjoyed increasing changes universe highlight episode enterprise invasion timeline fired shuttle end said kept episode memorable years cemented episodes list episodes franchise parallels placed place release home media parallels united_states vhs cassette single episode release took place january parallels released dvd season box set later released season set united_states december included audio commentary
Parallels (Star Trek: The Next Generation)