The actors were never told in advance what was in store for their characters. Each new episode was just as much a surprise for them as it was for the viewers. 　　故事的背景設(shè)定在公元2257年，人類(lèi)已經(jīng)突破光速，開(kāi)始大規(guī)模星際旅行及在太陽(yáng)系附近殖民，與多個(gè)外星文明接觸并有貿(mào)易聯(lián)系。一天，一艘地球聯(lián)邦的星際驅(qū)逐艦在探索未知星際空間的時(shí)候遇到一艘不明星船，因?yàn)檎`判對(duì)方意圖而先敵開(kāi)火。對(duì)方叫明巴利外星族（Minbari），比人類(lèi)早進(jìn)化發(fā)展幾千年，其技術(shù)人類(lèi)無(wú)法望其項(xiàng)背。不巧的是地球星船孤注一擲先敵開(kāi)火的時(shí)候把灰色議會(huì)議長(zhǎng)杜哈的給干掉了（那位老兄其實(shí)知道按大設(shè)計(jì)藍(lán)圖，明巴利必須與地球人聯(lián)合并融合，這次到這... (展開(kāi)全部)