Bart alters the school weather balloon and reveals the alteration after the balloon is launched- and Principal Skinner is NOT happy about what it looks like. Skinner is so upset, in fact, that he makes Bart help him with his daily astronomy check- which starts at 4.30am! Bart is mad at himself for altering the balloon... until he makes a discovery- a comet. However Bart finds his fate tied to the "Bart Simpson Comet"- said comet is going to collide with Springfield, destroying Springfield and its inhabitants. A rocket is launched at the comet to destroy it but the rocket soars too high. All it destroys is the bridge that's the only way out of town! Will a miracle beat the comet to Springfield? Written by
Did You Know?
When Bart pulls the string on Skinner's weather balloon, it's not visible in his hand in the previous shot of Bart. See more
That comet is headed straight for us, with the fire and the impact and the 100% chance of pain... pain in the glaving!