The Grim Adventures of Billy and Mandy Season 3 Episode 19

The Grim Adventures of Billy and Mandy Season 3 Episode 19 Putlocker Watch Online Streaming — Trying to get revenge on Mandy for always bossing him around, Billy and Grim put her in the "Beast Mask." Mandy must be nice and friendly while wearing the mask; otherwise, she will turn into a hideous monster. Unable to remove the mask on her own and struggling to be kind to Billy and Grim, Mandy gradually transforms into the beast. Billy and Grim ask Mandy to smile while giving them a sponge bath, but this proves to be too difficult for Mandy. She completely turns into the beast and punishes them instead.