iens ' ▁home ▁galax y ▁only ▁to ▁discover ▁what ▁appears ▁to ▁be ▁a ▁future ▁Earth — de fe ated ▁and ▁ruled ▁by ▁the ▁enemy . ▁App ear ing ▁in ▁this ▁film ▁is ▁S asha , ▁the ▁daughter ▁of ▁Queen ▁Star sha ▁of ▁Is c and ar ▁and ▁Mam oru ▁K od ai ▁( S us um u ' s ▁older ▁brother ). ▁ ▁Space ▁Batt les hip ▁Yam ato ▁III ▁( 1 9 8 0 ) ▁ ▁Following ▁these ▁mov ies , ▁a ▁third ▁season ▁of ▁the ▁television ▁series ▁was ▁produced , ▁broadcast ▁on ▁Japanese ▁television ▁in ▁ 1 9 8 0 . ▁Its ▁date ▁was ▁not ▁mentioned ▁in ▁the ▁broadcast , ▁but ▁design ▁documents , ▁as ▁well ▁as ▁an ime ▁industry ▁publications , ▁c ited ▁the ▁year ▁ 2 2 0 5 . ▁In ▁the ▁story , ▁the ▁Sun ▁is ▁hit ▁by ▁a ▁st ray ▁pro ton ▁miss ile ▁from ▁a ▁nearby ▁battle ▁between ▁forces ▁of ▁the ▁Gal man ▁Empire ▁and ▁Bol ar ▁Federation . ▁This ▁miss ile ▁greatly ▁acceler ates ▁nuclear ▁fusion ▁in ▁the ▁Sun , ▁and ▁human ity ▁must ▁either ▁ev acu ate ▁to ▁a ▁new ▁home ▁or ▁find ▁a ▁means ▁of ▁prevent ing ▁a ▁super n ova . ▁During ▁the ▁course ▁of ▁the ▁story , ▁it ▁is ▁learned ▁that ▁the ▁people ▁of ▁the ▁Gal man ▁Empire ▁are ▁actually ▁the ▁for eb ears ▁of ▁D ess lar ▁and ▁the ▁G amil as ▁race . ▁D ess lar ▁and ▁the ▁rem n ants ▁of ▁his ▁space ▁fleet ▁have ▁found ▁and ▁liber