An alien named Zim from the planet Irk is sent on a secret mission to conquer Earth, not realising that his leaders were just trying to get rid of him and hoped that he would die. Once there, Zim manages to disguise himself as a human child, but one boy named Dib sees through his disguise.
Jhonen Vasquez' cult classic cartoon is one of the most underrated of the '00s and this wild holiday special is a perfect example of its twisted genius.
As gothic Christmas specials go, it's scarier than anything Tim Burton ever dreamed up, and Invader ZIM's satire of human stupidity only seems to grow more prescient as the years go by.
