Archaeologist Julian Richards returns to some of his most important digs to discover how science, conservation and new finds have changed our understanding of entire eras of ancient history.　　Pagans of Roman Britain　　1/4 Julian Richards goes back to the excavation of two burials from Roman Britain.　　Families of the Stone Age　　2/4 Archaeologist Julian Richards returns to the excavation of two burials from the Stone Age.　　Sacred Women of the Iron Age　　3/4 Julian Richards returns to the excavation of two very different Iron Age women.　　The First Anglo-Saxons　　4/4 Julian Richards returns to the excavation of two early Anglo-Saxon cemeteries.张靖瑶的高压电流可以把小鬼子轻易击倒，如果集中力量打击也可以将他们中的一个直接弄成焦干，不过楚翔此刻正与小鬼子通过藤条连在一起，谁知道这些藤条会不会导电，到时候把自己人电到就不好了，所以张靖瑶权衡再三不敢动手。