ers ▁receive ▁authorization ▁from ▁the ▁network ▁to ▁continue ▁production , ▁until ▁the ▁plot line ▁ends ▁( only ▁for ▁script ed ▁shows ) ▁or ▁if ▁the ▁contract ▁exp ires . ▁Those ▁that ▁are ▁not ▁successful ▁are ▁often ▁quickly ▁told ▁to ▁dis continue ▁production ▁by ▁the ▁network , ▁known ▁as ▁" can cellation ". ▁There ▁are ▁instances ▁of ▁initially ▁low - r ated ▁shows ▁surv iving ▁can cellation ▁and ▁later ▁becoming ▁highly ▁popular , ▁but ▁these ▁are ▁rare . ▁For ▁the ▁most ▁part , ▁shows ▁that ▁are ▁not ▁immediately ▁or ▁even ▁moder ately ▁successful ▁are ▁cancel led ▁by ▁the ▁end ▁of ▁November ▁swe eps , ▁if ▁not ▁shortly ▁there after ▁or ▁earlier . ▁Usually ▁if ▁a ▁show ▁is ▁can ce led , ▁there ▁is ▁little ▁chance ▁of ▁it ▁ever ▁coming ▁back ▁again ▁especially ▁on ▁the ▁same ▁network ▁it ▁was ▁can ce led ▁from ; ▁the ▁only ▁show ▁in ▁the ▁U . S . ▁to ▁ever ▁come ▁back ▁from ▁can cellation ▁on ▁the ▁same ▁network ▁is ▁Family ▁Guy ▁( which ▁was ▁cancel led ▁by ▁Fox ▁in ▁ 2 0 0 2 ▁and ▁was ▁rev ived ▁by ▁the ▁network ▁in ▁ 2 0 0 5 ▁due ▁to ▁the ▁increased ▁popular ity ▁of ▁the ▁series ▁through ▁r er uns ▁on ▁cable ▁and ▁DVD ▁releases ). ▁However , ▁can ce led ▁shows ▁like ▁Sc r ubs , ▁South land , ▁Med ium ▁and ▁Wonder ▁Woman ▁have ▁been ▁picked ▁up ▁by ▁other ▁networks , ▁which ▁is ▁becoming ▁an ▁increasing ly ▁common ▁practice ; ▁similarly , ▁in ▁the ▁ 2 0