Grim & Evil — Season 1, Episode 14: A Grim Surprise
Animation, Comedy • 22 min • 5 seasons, 39 episodes • ★ 8.2/10
Episode synopsis
Billy tells Grim to help him throw a surprise birthday party for Mandy. Then, a reluctant Grim helps Billy prepare a cake while keeping it a secret from Mandy. In the end, a somewhat surprised Mandy reveals that her birthday isn't for the next five months, something that Billy already knew about.
About Grim & Evil
Grim & Evil also known as Maxwell Atoms' Grim & Evil and promotionally referred to as The Grim & Evil Show, is an American animated television series created by Maxwell Atoms. The series, which debuted on Cartoon Network, consisted of two segments which were eventually spun off into their own series, The Grim Adventures of Billy & Mandy and Evil Con Carne.