You will Watch The Grim Adventures Of Billy and Mandy Season 6 Episode 7 online for free episodes with HQ / high quality. Stream cartoons The Grim Adventures Of Billy and Mandy Episode 67 A Grim Day: When Billy goes to visit his grandmother and Mandy decides to have the day for herself, Grim finds himself free of the kids to do whatever he wants to do. However, since Grim quickly gets bored he goes to visit General Skarr, and lets him take his magical scythe, which Skarr uses to build an army of giant lawn gnomes. Then, since Grim is so used to having two kids with him when they go on an adventure, he enlists Mindy and Pud’n to help him combat Skarr and retrieve his scythe. In the end, Mindy and Pud’n prove to be worthy substitutes but they are scared away by Mandy when she notices the unusual trio.