It's a very special day for Michelangelo..Only his bro's seem to have forgotten all about it.
Unknown to Mickey, the other Turtles are only PRETENDING they have no idea it's his birthday in order to launch a surprise party on him later.
As the day progress, and Michelangelo gets more and more irritated and upset, Leonardo begins to feel as if he, Raphael and Donatello are stretching the joke just a little too far. But his concerns are ignored by the others, who believe Mickey's present state will make his surprise party even better.
But Michelangelo, depressed, and frustrated, surprises them all before they can surprise himâ€¦by running away!
Before they can go after him, the remaining TMNT hear reports of Shredder, Rock steady and Bebop, embarking on a rampage through New York.
Splinter volunteers to locate Michelangelo whilst the remaining turtles do battle with "tin-grin".
Shredder has armed himself, however, with an offshoot of the same mutagen that once transformed the Turtles from tiny...