▁while ▁Spo ck ' s ▁half - bro ther ▁Sy b ok , ▁seen ▁in ▁the ▁film ▁Star ▁Tre k ▁V : ▁The ▁Final ▁Front ier , ▁was ▁also ▁fully ▁emot ional . ▁An ▁episode ▁of ▁Enter prise ▁titled ▁" E ² " ▁featured ▁an ▁elder ly ▁T ' Pol ▁in ▁an ▁alternative ▁tim eline ▁who ▁had ▁emb rac ed ▁em otion ▁and ▁allowed ▁her ▁half - human ▁son , ▁Lor ian , ▁to ▁do ▁like wise . ▁ ▁While ▁most ▁V ul c ans ▁do ▁not ▁express ▁emot ions , ▁they ▁still ▁have ▁them . ▁Only ▁those ▁who ▁follow ▁the ▁discipline ▁of ▁kol in ahr ▁have ▁completely ▁p urg ed ▁all ▁emot ions ▁from ▁their ▁minds ; ▁most ▁V ul c ans ▁still ▁have ▁emot ions , ▁yet ▁do ▁not ▁express ▁or ▁release ▁them . ▁Spo ck , ▁in ▁Star ▁Tre k : ▁The ▁Mot ion ▁Picture , ▁attempts ▁to ▁achieve ▁kol in ahr , ▁but ▁ultimately ▁fails ▁to ▁do ▁so . ▁ ▁In ▁the ▁ 1 st ▁pilot ▁episode , ▁" The ▁C age ", ▁Spo ck ▁showed ▁much ▁more ▁em otion . ▁For ▁the ▁ 2 nd ▁pilot , ▁" Where ▁No ▁Man ▁Has ▁G one ▁Before ", ▁the ▁un em ot ional ▁character , ▁Number ▁One , ▁was ▁removed ▁and ▁it ▁was ▁decided ▁that ▁Spo ck ▁would ▁take ▁on ▁those ▁tra its . ▁ ▁Tele path y ▁V ul c ans ▁are ▁tele paths . ▁Begin ning ▁in ▁the ▁original ▁series , ▁the ▁character ▁Spo ck ▁was ▁able ▁to