, ▁in ▁which ▁she ▁had ▁star red ; ▁she ▁ultimately ▁did , ▁writing ▁" St olen ▁by ▁Tim ▁Allen ; ▁Love , ▁Sig our ney ▁We aver ," ▁which ▁she ▁claims ▁ups et ▁him ▁greatly . ▁During ▁the ▁period ▁of ▁film ing , ▁the ▁entire ▁cast ▁attended ▁a ▁ 2 0 th - ann ivers ary ▁screen ing ▁of ▁Ali en . ▁After ▁film ing ▁wrapped , ▁We aver ▁kept ▁the ▁w ig ▁she ▁wore ▁for ▁the ▁role . ▁ ▁The ▁film ' s ▁visual ▁effects ▁were ▁created ▁by ▁Indust rial ▁Light ▁& ▁Magic ▁led ▁by ▁Bill ▁George . ▁A ▁challenge ▁in ▁the ▁CG I ▁was ▁making ▁dist in ctions ▁between ▁scenes ▁that ▁were ▁to ▁be ▁from ▁the ▁ 1 9 8 0 s ▁Gal axy ▁Qu est ▁show ▁which ▁would ▁have ▁been ▁done ▁normally ▁through ▁practical ▁effects , ▁and ▁the ▁more ▁real istic ▁scenes ▁for ▁the ▁contemporary ▁actors . ▁Vari ous ▁practical ▁effects ▁were ▁also ▁used , ▁such ▁as ▁the ▁" p ig l izard " ▁creature ▁that ▁the ▁crew ▁trans ports ▁onto ▁the ▁Prote ctor . ▁ ▁Post - production ▁ ▁After ▁most ▁production ▁was ▁done , ▁Johnson ▁said ▁that ▁Dream Work s ▁were ▁confused ▁by ▁the ▁film , ▁as ▁it ▁was ▁not ▁what ▁they ▁had ▁expected ▁from ▁the ▁script ▁they ▁green lit , ▁but ▁pushed ▁on ▁post - production ▁as ▁they ▁needed ▁a ▁film ▁to ▁go ▁up ▁against ▁Columbia ▁Pictures ' ▁Stuart ▁Little . ▁Among ▁major ▁cut s ▁from ▁Dream Work s ▁was ▁to ▁bring ▁the ▁movie ▁to ▁a ▁more