Indy (Bibi) is back in the biggest and most adventurous movie of the Slime Movie Series! In The Biggest Slime Movie, something terrible happens: an important slime ingredient runs out, causing a global slime-making crisis! Indy sets off in search of the origin of this slimy ingredient.
She travels the world with her old and new slime friends and they are faced with a slimy mystery. Can Indy manage to get the slime back?