The animated series Invader ZIM first debuted on Nicekodeon back in 2001. While the show never found a Spongebob Squarepants-level audience, its unique style and sense of humor attracted a cult ...

Invader Zim first debuted nearly 25 years ago with Nickelodeon, and one of the minds behind its early concept stages has revealed a new behind-the-scenes look at the animated series’ original ...