Donatello and Leonardo discover two electricians desperately trying to repair the city's power lines. And when one of the workers is injured, it's up to the Turtles to save the city--before it becomes totally dark!

Twelve-year-old Trevor Firestone loves playing war-based video games and he idolizes his great-grandfather Jacob who came home from World War II a celebrated hero; now ninety-three Jacob wants to retrace his journey in memory and reality and return to the small French village that his unit liberated, and Trevor is going with him--but not everyone in the town want Jacob to come, and Trevor is going to learn an important lesson: real war is not a video...

Now a full-fledged Ranger responsible for a sleepy fief, Will finds a new adventure seeking the traitors who poisoned the king, investigating rumors of sorcery, and trying to rescue his friend Alyss, who is taken hostage.

It's Halloween, and when the Turtles find out that the Purple Dragons have stolen candy from a bunch of kids, its time for some scary ninja tricks to get back all those treats.

After Doreen, uses her extraordinary powers to stop a group of troublemakers she becomes a full-fledged superhero called Squirrel Girl.

When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefarious Dr. Diaper, where they must defeat his evil robot henchmen.

The Teenage Mutant Ninja Turtles try to save April from the Foot Clan and stop dangerous chemicals from being poured into the sewers.

"Thirteen-year-old Sikander Aziz has to team up with the hero Gilgamesh in order to stop Nergal, the ancient god of plagues, from wiping out the population of Manhattan in this adventure based on Mesopotamian mythology"--

When a hero is needed to save the doomed kingdom of Mokia from the evil Librarians, thirteen-year-old Alcatraz Smedry, whose family talents include getting lost and breaking things, answers the call.