Plot: When North Park Colorado gets snowed in by a huge Blizzard, the gang along with the other kids and teachers are stuck in their school for hours. During this storm, Chris' sister Serenity visits North Park despite Chris' dislike towards her. Meanwhile, Mordecai and Mr. Harrison engage into a grudge match where they fight over dominance of the kids in the school.

 

Tags: Jack, Charlie, Chris, Not Kenny, Mordecai, Serenity, Mr. Harrison, snow, snowstorm, blizzard, weather, school, Nostalgia Critic.