The Ninja Turtles are on the run and...alone. Leonardo is a leader but who is he without anyone to lead? Leo now has to stop Bishop and her Mechazoids while trying to save his brothers.

To save his brothers, Mikey needs the help of Bishop's intern, ROD. But Rod wants something in return... to be turned into a MUTANT! To save the day, Mikey has to become... RESPONSIBLE.

Raph's strength won't save him when he's caught between the Mechazoids and the notorious street gang known as Purple Dragons! Raph's going to have to use his head to get out of this one!

It's a battle of the wits between Donnie and Bishop as he races through NYC's subway system to stop her evil Mechazoids. But how do you beat an AI that counters your every move?

The origin of the woman called BISHOP! Why does she hate mutants? What is the secret of the Mechazoids? And exactly what happened the night the Turtles fell into Bishop's trap?

The Turtles take the fight to Bishop but she's ready for them... get ready for MECHA-BIHSOP! But when the Mechazoids go out of control, can the Turtles save humanity?

The Turtles and Mutanimals are caught in the Storm of the Century! But when a new group of SEA MUTANTS threaten the city... Raph will be forced to use his WORDS to save the day.