The third season began on March 14, 2009 with the three-part premiere, "Transwarped", and ended on May 23, 2009. This season following the events of "Transwarped" focused on the Autobots' attempt to reach Cybertron in order to warn the Autobot High Council of Shockwave, who has been masquerading as Autobot Intelligence Officer Longarm Prime. Meanwhile, Megatron, Starscream, Shockwave (who replaces Blitzwing as a main character), and Lugnut plan to use the colossal Autobot Omega Supreme for constructing clones of him (dubbed as Lugnut Supremes, as they appear similar to Lugnut).

The third season began on March 14, 2009 with the three-part premiere, "Transwarped", and ended on May 23, 2009. This season following the events of "Transwarped" focused on the Autobots' attempt to reach Cybertron in order to warn the Autobot High Council of Shockwave, who has been masquerading as Autobot Intelligence Officer Longarm Prime. Meanwhile, Megatron, Starscream, Shockwave (who replaces Blitzwing as a main character), and Lugnut plan to use the colossal Autobot Omega Supreme for constructing clones of him (dubbed as Lugnut Supremes, as they appear similar to Lugnut).

A year after assuming leadership of the Autobots, Rodimus Prime hosts an intergalactic sporting event, which falls victim to an attack, resulting in the abduction of Spike Witwicky, Kup, and Ultra Magnus. Rodimus is quick to blame the Decepticons, who are divided and weakened by the loss of their leader, Galvatron. But Galvatron's fellow reformatted Decepticons, Scourge and Cyclonus, may have found a way to restore their leader to power. The real culprit may be a new face, but one with a link to the histories of both Autobot and Decepticon, manipulating both sides to take their own revenge.

A year after assuming leadership of the Autobots, Rodimus Prime hosts an intergalactic sporting event, which falls victim to an attack, resulting in the abduction of Spike Witwicky, Kup, and Ultra Magnus. Rodimus is quick to blame the Decepticons, who are divided and weakened by the loss of their leader, Galvatron. But Galvatron's fellow reformatted Decepticons, Scourge and Cyclonus, may have found a way to restore their leader to power. The real culprit may be a new face, but one with a link to the histories of both Autobot and Decepticon, manipulating both sides to take their own revenge.

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").

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").

本季继续讲述超人在大都会打击犯罪、保护地球的故事，同时扩展了DC宇宙，加入了蝙蝠侠、海王、未来正义联盟成员等角色，并深入塑造了达克赛德作为终极反派的威胁。本季介绍了多个强大敌人，包括控制火焰的妖姬、制造人偶的玩具人、以及第五维度的密克西施匹特里克。蝙蝠侠失踪后，超人伪装成蝙蝠侠，与罗宾联手调查，最终发现布莱尼亚克在幕后操纵；正义联盟成员穿越时空，阻止布莱尼亚克在克拉克还是少年时就试图消灭他；达克赛德发动全面战争，导致大都会陷入战火，超人奋力抵抗，最终失去好友丹·特克，陷入悲痛；最终战役中，超人被达克赛德洗脑，误以为自己是阿普考利斯的战士，导致他短暂成为地球的敌人。尽管他最终恢复清醒，但人类开始对他产生恐惧和不信任，影响深远。这一季不仅让超人面对更大的挑战，也为《正义联盟》动画系列埋下伏笔，特别是超人与达克赛德的宿敌关系成为未来剧情的重要核心。

故事讲述两派来到地球后，因为发生了一些“事件”，导致双方外形大变（也解释了两系列风格不同的原因）。也由于这些“事件”，变形金刚要隐藏于人类社会之中。如何去平衡一切关系是擎天柱作为领袖将要面临的考验，本作品的标题也由此而来。 值得一提的是，本次两派领袖 擎天柱 和 威震天 的配音者是久违的梦幻组合：来自初代动画的 Peter Cullen 和 Frank Welker！他们在阔别电视版的变形金刚作品多年后，再次一起回来共演这双经典的死对头！

故事讲述两派来到地球后，因为发生了一些“事件”，导致双方外形大变（也解释了两系列风格不同的原因）。也由于这些“事件”，变形金刚要隐藏于人类社会之中。如何去平衡一切关系是擎天柱作为领袖将要面临的考验，本作品的标题也由此而来。 值得一提的是，本次两派领袖 擎天柱 和 威震天 的配音者是久违的梦幻组合：来自初代动画的 Peter Cullen 和 Frank Welker！他们在阔别电视版的变形金刚作品多年后，再次一起回来共演这双经典的死对头！