Invader Zim and Grim Adventures of Billy & Mandy Crossovers
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Invader Grim by tmi420
Billy opens a portal with Grim's scythe, taking his friends on a misadventure to a version of Earth where everyone is especially stupid and the goth style is the norm. Zim and Dib are at war for the scythe, but Gaz promises to return it to Mandy.
Rated: T - English - Supernatural - Chapters: 1 - Words: 330 - Published: 11/23
THE INVADER ADVENTURES OF IZ AND GAOBAM DARESHOW! by CommanderYyderse reviews
As name implies. It's a dareshow. INVADER ZIM AND GRIM ADVENTURES OF BILLY AND MANDY! PM ME DARES AND STUFF! READ AND I SWEAR I WILL MAKE YOU LAUGH AND IF I DON'T THEN I'LL GIVE YOU YOUR TICKET BACK! XD Rated T for cursing and such! TACOS AND MILK!
Rated: T - English - Humor - Chapters: 1 - Words: 3,236 - Reviews: 2 - Favs: 2 - Follows: 1 - Published: 2/22/2012 - Zim, Billy
When You Think About It by DarkxSonata reviews
This is a present for Canti500 on It's Valentines Day and Dib is going to make his moves on Mandy.
Rated: K - English - Romance - Chapters: 1 - Words: 1,079 - Reviews: 7 - Favs: 22 - Follows: 1 - Published: 2/3/2011 - Dib, Mandy - Complete