This season began merely two whole weeks after the first season had ended, on April 19, 2008, with the airing of The Elite Guard, and ended on July 5, 2008, with the two-parter, A Bridge Too Close. The season revolved mainly around the Autobots in the aftermath of Megatron's return, trying to restore the city and their image. Meanwhile, Megatron, Lugnut, and Blitzwing have captured Prof. Sumdac in order to build a Space Bridge, hoping to use it to conquer a weakened Cybertron from within. A sub-plot also focuses on Sari as she searches for her father, while learning that there is no record of her existence of any means. Also, Blackarachnia (originally Elita One) has been reduced to a minor recurring character, only appearing in one episode of the entire season (Black Friday).
全国26家实验室参与！由雷沃支持的这场“田间论剑”举行
丽莎（柯莱儿布翁尼许Claire Bouanich 饰），今年8岁，单亲，喜欢提问，各种各样童稚的问题。邻居的爷爷（米歇尔?塞罗 Michel Serrault 饰 ），儿子已经去世，脾气古怪，有收集蝴蝶标本的癖好。一天，丽莎闯进了爷爷的密室，发现了五彩斑斓的蝴蝶标本。爷爷还说，他要到山上去采集一个叫“伊莎贝拉”的蝴蝶，丽莎大喜，要跟爷爷一起去探险，她多么希望跟着爷爷去看满天飞的蝴蝶。一路上，丽莎给爷爷添了不少麻烦，因为她有问不完的问题，还放走了爷爷采来的蝴蝶。丽莎掉进了一个山洞，爷爷着急，找来了救生人员。两人的友谊、亲情，与美丽的大自然融为一体。
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After joining the Military following the death of his mother, Jake Williams returns home from war to his Father, Paul, and his sister, Brittney. Shortly after making amends with his father, Paul, for leaving them, Jake is left with the struggle of taking care of his sister and his fathers multi-million dollar company after Paul is killed in a car accident. After a mobster named Joe gets information of Jake's situation, Joe kidnaps Brittney and holds her for a ransom. Jake decides to take it into his own hands to save his sister, but will he stop Joe from fulfilling his evil plan...