这是一部关于恐龙的科教记录片,　　北极：7千万年前。一个极端的世界。夏季的阳光变成了24小時严寒的夜晚。恐龙们不得不做出选择，勇敢的向南迁徙以寻找阳光。一段充满了暴风雪，火山爆发和致命狩猎者的危险旅程，一个年轻的埃德蒙頓龙开始了他的第一个千里迁移.　　片中令人惊叹的CG动画和精心构建的数码世界，可以說是真正的恐龙电影演变,令人震撼.　　TheArctic70millionyearsago.Itisaworldofextremes.Tropicalsummersof24hrsunlightarereplacedbyfreezingwintersofcontinuousnight.TheremarkabledinosaursthatlivedundertheNorthernLightshadtomakeachoice,bravethewinterorheadsouthtofindthesun.　　JoinScar,ayoungEdmontosaurusembarkingonhisfirstthousand-milemigration.Itisajourneyforsurvivalthatisfraughtwithdanger;blizzards,volcaniceruptionsanddeadlypredatorslieahead.MeanwhilePatch,ajuvenileTroodon,leftaloneintheNorth,mustlearntosurviveinoneoftheharshestenvironmentstheEarthhaseverknown.　　Thisepicfeature-lengthadventureportraysanincrediblepolarodysseythatactuallyhappenedbuthasnever　　beenwitnessedbefore.BasedonrecentfossilevidenceblastedoutoftheicearoundtheNorthPole,themakers　　of''WalkingwithDinosaurs''and''PrehistoricPark''aredelightedtointroduceyo