You will Watch The Grim Adventures Of Billy and Mandy Season 4 Episode 7 online for free episodes with HQ / high quality. Stream cartoons The Grim Adventures Of Billy and Mandy Episode 46 Dream Mutt: When Billy gets the opportunity to adopt one of four dogs, he says he wants them all. Then, Grim uses his scythe to magically combine the dogs and create Billy’s dream dog, who calls himself Wiggy Jiggy Jed. Although initially Billy and Jed are best friends, their relationship falls apart when Billy tells Jed to sleep outside. In retaliation, Jed uses the powers of Grim’s trunk to build a giant machine to capture the beds of all people. In the end, Billy throws Jed a dish of primordial ooze and he dissolves.