The Turtles train with the Ninja Tribunal to prevent the resurrection of the Shredder. But when Splinter and the Ancient One express serious doubts about trusting the Tribunal, leaving the Turtles confused. If they all agree on the goal, why the doubts? To explain the danger to the Turtles, Splinter and the Ancient One reveal the secret history of the Tribunal… including the true origin of the Shredder!

.TMNT 2007 S05-E03 “Legend of the 5 Dragons” 1/2

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Popularity: 6%

The Turtles begin training with the mysterious Ninja Tribunal, experimenting with new powers and weapons. After securing the first of the Tribunal’s Lost Artifacts, our heroes learn to their horror that the “great evil” they are destined to face is the long-imprisoned spirit of the one, true Shredder!

.TMNT 2007 S05-E02 “Demons and Dragons” 1/2

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Popularity: 7%

The Ninja Tribunal has called on eight acolytes to stop the coming evil. But first they have to train and be taught some important lessons that may mean the difference between life and death.

.TMNT 2007 S05-E01 “Lap of the Gods” 1/2

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Popularity: 6%

Still recovering from his secondary mutation, Donatello feels cooped up inside the new lair. To help their brother out, the other Turtles decide to take Don topside to get some much needed air. The Turtles are then ambushed and captured by masked wooden warriors. The Turtles arrive before the Ninja Tribunal, four beings with a great resemblance to the Shredder. Along with four other warriors, the Tribunal entreats the group for aid against a greater evil.

.TMNT 2006 S04-E26 “The Ninja Tribunal” 1/2

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Popularity: 6%

The Turtles agree to Bishop’s offer in exchange for the cure to Donatello’s secondary mutation. They are charged with infiltrating the Foot’s headquarters and retrieving the Heart of Tengu. However, Bishop does not have a cure for Donatello and the retrieval of the Heart of Tengu turns out to be the groundwork for a plan that even Bishop doesn’t understand.

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Popularity: 8%

When it is apparent that Donatello’s secondary mutation is causing his body to degenerate, the Turtles and Leatherhead agree they must go directly to Agent Bishop’s headquarters to demand a cure. This scenario proves to be fortuitous as Bishop offers to help the Turtles if they retrieve an ancient piece of technology from the Foot.

. TMNT 2006 S04-E23 Good Genes, Part 1 1/2

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Popularity: 8%

The Turtles continue to deal with the seemingly unstoppable mutant outbreak, but they leave Donatello under care of April and Casey when he becomes very ill. However, Donatello’s illness is not just a cold; he is in the final stages of a secondary mutation that will transform him into a savage beast.

.TMNT 2006 S04-E23 “Adventures In Turtle-Sitting” 1/2

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Popularity: 6%

When the power goes out in their lair, the Turtles and Splinter gather around the candlelight as Leonardo tells a story he learned from the Ancient One about Splinter’s sensei, Hamato Yoshi.

.TMNT 2006 S04-E22 “A Tale of Master Yoshi” 1/2

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Popularity: 7%

Having traveled to the past, the Turtles and Renet battle with Savanti Romero and his telepathically controlled dinosaurs as Savanti attempts to change the historic timeline by preventing the dinosaur extinction event.

.TMNT 2006 S04-E21 “Return Of Savanti, Part Two” 1/2

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Popularity: 3%

Savanti Romero plots his revenge against the Turtles and Renet after they had him banished to the Cretaceous period. Using his magic to manipulate time, Romero lures the Turtles and Renet into a trap to obtain the time sceptre.

.TMNT 2006 S04-E20 “Return Of Savanti, Part One” 1/2

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Popularity: 2%