"Skinner's Sense of Snow" is the eighth episode of Season 12. It first aired on December 17, 2000. The episode was written by Tim Long and directed by Lance Kramer. This is the last episode to air in 2000.
The Simpsons were the show in the french circus when a demonic blizzard hits Springfield. Much to Bart and Lisa's dismay, everyone has the day off, except for Springfield Elementary School. At school, Skinner shows them a boring Christmas film from 1938, called "The Christmas That Almost Wasn't But Then Was". They've watch the movie for hours until the dvd got overheated and caught fire, but skinner put it out. Skinner dismissed the kids. The kids leave, only to find that they are snowed in. The kids were trap in the school with Skinner and Groundskeeper Willie, much to their horror. Skinner tries to call for help, but phone lines are down. Principal Skinners army instincts kick in when the students become uncontrollable.
At night, Bart tries to escape by digging through the snow in a hole in the wall, but he gets caught by Skinner. Skinner tries to cave the hole in so that escape would have to be replanned in a different location but it caves in on him before he gets out in time. The kids tie him up in a dodgeball sack and the kids run wild, even getting into a safe with all their permanent records. Based on those records, they figure Skinner is a bazillionnaire.
Meanwhile, Homer and Flanders use a "snow-plower" (Ned's car with Ned's roofing attached to the front as a plower) to save the kids. They get frozen in ice. Homer's repeated gunning of the accelerator causes carbon monoxide to flood the front of the car. Flanders and Homer get high from the fumes and wildly hallucinate. Homer hallunacinates about bellydancing women who wait on him. They receive a message from Nibbles the school hamster, send out by Skinner, and head for the school. They crash into a salt silo, melting the snow and rusting up the car. The car exhaust makes Homer hallucinate again making him see Lisa as a camel and Bart as a beautiful woman and starts kissing him. Lisa, (as a camel), wishes everyone a Merry Christmas from The Simpsons, as Homer drives wobbly home until they all crashed into a telephone pole.