Jul 25, 2003
Season 1 Episode 8
"Son of Nergal" Billy and Mandy go to Winter Camp, and must contend with snowy weather, a freezing cabin, and the mysterious Nergal Jr! "Sister Grim" Grim is mistaken for "Sister Big Mama," and gets adopted by a convent of loving, bell-ringing nuns. It's up to Billy and Mandy to set them straight. "Go Kart 3000!" Grim and the kids enter the annual Endsville GoCart Competition!