▁a ▁bunch ▁of ▁m ice ▁playing ▁and ▁singing ▁a ▁song ▁about ▁how ▁they ▁never ▁worry . ▁ ▁One ▁mouse ▁not ices ▁a ▁cat ▁looking ▁in ▁through ▁a ▁window , ▁but ▁is ▁cal med ▁when ▁another ▁mouse ▁tells ▁him ▁that ▁the ▁cat ▁cannot ▁get ▁inside . ▁ ▁The ▁cat ▁however , ▁burst s ▁in ▁through ▁the ▁front ▁door ▁alert ing ▁a ▁mouse ▁that ▁we ars ▁a ▁World ▁War ▁II ▁style ▁air ▁ra id ▁w arden ▁hel met ▁and ▁sc ream s , ▁“ L ights ▁out ,” ▁prompt ly ▁turning ▁off ▁the ▁main ▁light . ▁ ▁The ▁phrase , ▁' light s ▁out ,' ▁was ▁a ▁popular ▁saying ▁during ▁the ▁war , ▁especially ▁in ▁major ▁cities ▁to ▁encou rage ▁people ▁to ▁turn ▁off ▁their ▁lights ▁to ▁h inder ▁target ing ▁by ▁potential ▁enemy ▁bom bers . ▁ ▁The ▁same ▁mouse ▁who ▁said ▁the ▁cat ▁could ▁not ▁get ▁inside , ▁ends ▁up ▁getting ▁caught ▁by ▁the ▁cat . ▁ ▁The ▁cat ▁tells ▁him ▁that ▁he ▁will ▁not ▁kill ▁him , ▁but ▁will ▁give ▁him ▁che ese ▁if ▁the ▁mouse ▁follows ▁the ▁cat ' s ▁instructions . ▁ ▁During ▁the ▁dialog ue ▁between ▁the ▁two , ▁the ▁cat ' s ▁smile ▁res emb les ▁the ▁To jo ▁bu ck to oth ▁gr in ▁and ▁it ▁speak s ▁with ▁a ▁Japanese ▁acc ent . ▁ ▁Near ▁the ▁end , ▁the ▁cat ▁sc ream s ▁“ Now ▁get ▁going !” ▁and ▁the ▁mouse ▁j umps ▁to ▁attention ▁and ▁gives ▁the ▁inf am ous ▁Naz i ▁sal ute .