Invader Zim Returns - Let's Start With The Basics - (Fan-Made)

Invader Zim, GIR (Zim's energetic, naive, dumb, malfunctioning robot servant), Dib (the human 12 year old boy who saw through Zim's disguise (because it was really horrible) and tries to stop Zim from invading Earth)), and Gaz (Dib's human sister who knows Zim is an alien, but doesn't really care) get transported by a portal to another universe on another Earth called Baldi's Basics In Education And Learning.