You will Watch The Grim Adventures Of Billy and Mandy Season 5 Episode 3 online for free episodes with HQ / high quality. Stream cartoons The Grim Adventures Of Billy and Mandy Episode 55 Mommy Fiercest: When Billy’s mom, Gladys, discovers crow’s feet on her face, she panics and doesn’t want to leave the bathroom. As Grim needs to use the bathroom, he uses his scythe to make Gladys a young girl again, thus without wrinkles. Then, Gladys goes to see Billy, but neither he nor Mandy nor Irwin recognize her, and instead, Billy calls her “Corn”, because of the white bread she gave him. Then, when Corn tells Billy to do his homework, Mandy tells him to go to the movie theater instead. In consequence, Corn and Mandy struggle over who gets to control Billy. In the end, Billy’s father, Harold, plays with Grim’s scythe and also becomes a child; he then goes to the movies and gets together with Gladys (Corn) again.