Donatello tells the other three Turtles that based on his calculations, the Earth has changed its orbit and is heading for the Sun. Mikey, Leo and Raph think that Don has been working too hard and force him to watch a movie with them. But when that movie turns out to be THE DAY THE EARTH COLLIDED WITH THE SUN, Donatello goes ballistic and says that he has to find a way to save the planet. Meanwhile, Vernon's genius nephew, Foster, is in town for his junior high school's science fair. Vernon tries to impress the boy at Channel Six News, but like everyone else in Vernon's universe, Foster sees through him like a sheet of glass. Back at the lair, despite the fact that the termperataure is rising, no one believes Donatello when he tells them ""that the sky is falling."" Over at Channel Six, Vernon makes one last vain attempt to impress his nephew by pleading with April to ask the Turtles if they would meet Foster at the National Junior High Schol Science Fair Competition. The TMNT reluctantl
Elenco: Cam Clarke , Barry Gordon , Townsend Coleman , Michael Gough , Pat Fraley , Tony Jay , Bill Martin , James Avery .