Discover the secret origins of the Triceratons: how they began on
Earth, what that means for their return, and how they successfully
rebelled against their Utrom captors! Plus, the Turtles fight to save
their city, but become trapped in tight quarters when NYC is
evacuated. Will they find a way to freedom without driving each other
crazy? Then, Raphael and Alopex go undercover at Null Industries.
They find more than they bargained for, including very angry mutants!
Collects issues #16–20.