sentences: "The Grim Adventures of Billy & Mandy" ran for 6 seasons (with the first season containing 18 half-hour episodes, consisting of 49 "Grim & Evil" shorts, and one bonus short "Five-O-Clock Shadows"), while the short-lived "Evil Con Carne" show was cancelled once the already-produced season had aired.Some characters from "Evil Con Carne" occasionally appeared on "The Grim Adventures of Billy & Mandy".