List of ThunderCats (2011 TV series) episodes

ThunderCats is a reboot of the original ThunderCats TV series. It follows the young prince Lion-O and his band of Thunderians as they search for the Book of Omens in order to defeat the evil Mumm-Ra. The series is produced by Warner Bros. Animation with animation production by Studio 4°C. The series has aired on Cartoon Network and is currently airing in North America on Adult Swim's Toonami. The hour-long premiere first premiered on July 29, 2011.

Lion-O, always outdone by his adoptive older brother Tygra, undergoes the ritual to be chosen by the Sword of Omens as the next king of Thundera. His father, Claudus, does not feel his son is ready because he is too lenient and easily distracted by flights of fancy like the myth of ancient technology. Soon after, King Claudus welcomes the return of his friend Grune and holds a celebration in both his honor and in memory of the fallen Panthro. During the event, Lion-O defends a pair of captured Lizards and convinces his father to release them.

Thundera is attacked by Lizards who have acquired salvaged technology. Grune has joined the Lizards and Panthro is being held hostage. Lion-O comes to his father's aid, allowing Claudus to rescue Panthro. Panthro fatally wounds the king, then reveals himself to be Mumm-Ra (an ancient nemesis of the Thundercats) in disguise. With his final words, Claudus admits he is proud of Lion-O, then he dies in his son's arms. Lion-O tries to avenge his father, but he and Tygra are captured along with Jaga and Cheetara. However, because of his kindness to the Lizard prisoners that he had freed, Lion-O is given a key (hidden in his meal), allowing him to escape with Tygra to mount a rescue. Mumm-Ra wants the stone in the sword which he claims is his, and tortures Jaga to force him to remove a curse that prevents evil from touching the Sword of Omens. Lion-O and Tygra rescue Jaga and Cheetara (who is revealed to be one of Jaga's clerics). Lion-O grabs the sword to blast Mumm-Ra out into the open, and the rays of the rising sun harm him. Forced to leave Jaga, who sacrifices himself to ensure their escape, Lion-O, Tygra, and Cheetara undertake the quest to find the Book of Omens.

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