Donnie becomes increasingly jealous of April and Casey's relationship; April is kidnapped by an evil spirit who intends to drain her powers.

As the Turtles search for Karai, they are forced to deal with a city filled with Kraangdroids as well as Zeck and Steranko.

When the Turtles are whisked through time by apprentice Time Master Renet, they all must work together to defeat the evil Time Master Savanti Romero.

Casey releases a wish-granting alien named Wyrm, who wants his freedom to do whatever he wants to the universe

Donatello is feeling inferior to Fugitoid, but his intellect is put to the test when the Triceratons attack.

The Turtle team hunts for their Sensei, but soon realizes they are being hunted as well.

The Turtles believe they have defeated most of their old enemies, but they soon discover that a new evil is rising from the ashes.