It showcases the rise and fall of the Roman Empire through the Colosseum, one of the most exhilarating and brutal arenas in the history of humanity.

　　Lindsey Lou's father has gone missing on a mountaineering expedition and she's determined to find him, only she's the least qualified for the job.

　　第八季 (播出目录) (2014)    Season 08    　　S08E01 外星飞船  Alien Transports  (2014年06月13日)；