After a year in the Cretaceous, Abby and Connor finally escape through an anomaly to their own time after finding a lost anomaly device in a raptor's bower, only to be followed through by a giant Spinosaurus. Soon accosted by a brand new ARC team, they manoeuvre the creature into a massive arena, where, dangling from the roof, Connor accidentally drops the device into the Spinosaurus, imploding it from the inside. But being away for so long has left Connor and Abby out of the loop, and they soon find their ARC jobs in jeopardy... 第四季的唯一亮点就是那个漂亮的小MM了。略感失望。除了失望还是失望。philip一句话点醒梦中人。