King Sombra曾经统治小马国边缘的水晶王国，带来了无尽的苦难。后来他被塞拉斯迪亚公主和露娜公主联合击败，变成阴影，并被放逐。 一千年后，King Sombra卷土重来，想要重新统治水晶王国。大公主希望暮光闪闪一行去保护水晶王国，免受King Sombra的再度袭击。他们克服重重困难和阻挠，去保护水晶王国，并让那里再度恢复生机。
了解芭比娃娃和她的BFF - 包括隔壁的邻居Ken - 在这个动画视频博客中，冒险在她家的新梦想之家拍摄
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).
Superhero roommates Robin, Cyborg, Starfire, Raven and Beast Boy love save the day, but what happens when they're done fighting crime?
眼见与蛋头博士的一场激战导致宇宙崩毁，刺猬索尼克必须急速穿越平行时空，寻找失去联系的朋友，携手拯救世界。
