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?
The title refers to Halley's Comet that returns to every 75 to 76 years. Not only is it the best known of the comets, historians have traced it returns back to 240 BC. Halley's periodic returns have been subject to scientific investigation since the 16th century. The three returns from 1531 to 1682 were used by Edmond Halley enabling him to predict its 1759 return. See more
Selma says that "a lady goat is called a sheep." This is incorrect, goats and sheep are different animals. See more
I've said it before, and I'll say it again: democracy simply doesn't work.
Referenced in The Simpsons: Hit & Run