April and the Turtles meet a friendly pigeon carrying a scary message from the Kraang.
The situation gets hectic with the arrival of even more foes!
The Turtles give Donnie's newest creation a test "run"!
The Ninja Turtles attack New York with their skateboards, making the whole "silent ninjas" thing pretty hard to do.
A cat-tastrophic encounter puts Mikey on edge.