In "The Coming out of Their Shells Tour" The Ninja Turtles have decided to travel around the world to meet their fans face to face... singing songs they wrote such as "Coming Out of Our Shells", "Pizza Power", "Skippin Stones", "Walk Straight", and "Tubin'". Shredder, with the help of Baxter Stockman comes forth with his De-Harmonic Convergence Converter makes an attempt to stop the Turtles from making people happy.  With the help of the fans and April O'Neil, the Ninja Turtles have to stop Shredder and Baxter Stockman from destroying all of the music in the world.