Leonardo considers asking Splinter for help while facing Shredder's new assassin; Donnie must put aside his rivalry with Casey in order to uncover a Kraang plot.

Leonardo considers asking Splinter for help while facing Shredder's new assassin; Donnie must put aside his rivalry with Casey in order to uncover a Kraang plot.

Leo and Donnie disagree about their plan to stop the Kraang invasion; Donnie must step up as the leader of the bunch when Leo makes a mistake and is separated from the team.

Leo and Donnie disagree about their plan to stop the Kraang invasion; Donnie must step up as the leader of the bunch when Leo makes a mistake and is separated from the team.

The Turtles and their enemy crash-land on an ice moon and they must put aside their differences in order to survive.

The team must overcome impossible odds in order to obtain the final Black Hole Generator piece that is located on the planet Magdomar.

Renet transports the Turtles to 13th century Transylvania to stop Savanti Romero.