You will Watch The Grim Adventures Of Billy and Mandy Season 4 Episode 4 online for free episodes with HQ / high quality. Stream cartoons The Grim Adventures Of Billy and Mandy Episode 43 Happy Huggy Stuffy Bears: After a trip to the mall, Mandy becomes the spokesperson for Happy Huggy Stuffy Bears, a new stuffed toy in town. After the success of her commercial, Mandy gives away stuffed bears to other children, who then start wreaking havoc in the city. As it turns out, Eris, the goddess of chaos, is behind the toys, which mind-control the children into creating chaos. In the end, Mandy decides not to share control of the world with Eris, and orders Grim to destroy the toys.