The Grim Adventures of Billy and MandySeason 32004 · 32 episodesEpisodes1Spider's Little DaddyBilly learns about the joys of fatherhood from his eight legged son, Jeff.2Tricycle of TerrorA kid in a supernatural Porta Pottie gives Billy a new tricycle that loves him too much.3Dumb LuckBilly does something stupid and ends up in a streak of bad luck thanks to an unwelcome guest.4No Body Loves GrimGrim’s body and head get separated. His body lives it up while his head ends up down and out.5Lil' PorkchopBilly’s pet fish has big problems that bring out Grim’s soft side. Meanwhile, Billy’s Dad bonds with his absent son.6Skarred for LifeGeneral Skarr gets way more than he bargained for when he moves into Billy and Mandy’s neighborhood in search of a simple life.7House of PainLord Pain comes from the Plane of Eternal Suffering to serve Grim, who turns out not to be worthy.8A Grim ProphecyAs a young reaper Grim learns his fate from his first customer.9Mandy Bites DogMindy mocks Mandy’s lame dog so Mandy adopts Grim’s scary hound and then Mindy’s sorry she opened her big fat mouth.10Nursery CrimesBilly can’t sleep and demands fairy tales from Mandy and Grim. Grim’s supernatural stories go awry when Billy befriends Pinocchio.11My PeepsSitting too close to the TV costs Billy his sight and his fear of the eye doctor sends him to Grim for a cure that has him seeing the future.12Nigel Planter and the Chamber Pot of SecretsGrim, Billy, and Mandy return to Toadblatt’s School of Sorcery to rescue Nigel Planter from evil Lord Moldybutt.13Circus of FearGrim, Billy, and Mandy return to Toadblatt’s School of Sorcery to rescue Nigel Planter from evil Lord Moldybutt.14Bully BoogieGrim’s old nemesis, the Boogie Man, attempts to take over Grim’s job, reigniting an old rivalry that culminates in a showdown for supremacy.15Here Thar Be Dwarves!Billy goes on a picnic and ends up resolving an old dispute between the Dwarves and the Elves over control of the cookie and mushroom businesses.16Which Came First?A school field trip leads to the discovery of a failed Cold War government experiment with superchickens. Grim and Mandy must rescue Billy from becoming chicken feed.17Substitute TeacherNergal Jr. starts school with Billy and Mandy and falls prey to Sperg’s bullying. When the teacher won’t protect him, Nergal Jr. steps up and teaches Sperg a lesson in respect.18Super ZeroBilly becomes a super hero in a galaxy far far away while Grim and Billy’s Dad build a shed and a bridge to each other’s hearts.19Sickly SweetBilly and Grim use the Mask of the Beast to teach Mandy how to be sweet and loving, with disastrous consequences.20Bearded BillyBilly discovers that too much of a good thing can have scary side effects when he takes Grim’s special hair tonic.21The NerveBilly steals Mandy’s nerve to confront Sperg and Mandy learns that inner strength comes from within.22Test of TimeBilly and Mandy research their history reports first hand, changing the course of history forever.23A Kick in the AsgardAn inadvertant interdimensional exchange program takes Billy to Valhalla while Grim and Mandy meet someone even more obnoxious than he is.24Five O'Clock ShadowsBilly and Mandy spend twelve hours in the Shadow World getting to know themselves.25Attack of the ClownsGrim and Mandy plan an intervention to break Billy of his fear of clowns, but they don’t know how justified that fear is.26Complete and Utter ChaosEris has vowed to give up chaos leading Grim, Billy, and Mandy into temptation.27Whatever Happened to Billy Whatishisname?Billy displeases Mandy so she replaces him with Bobby, a kid with his own issues.28Just the Two of PusSperg’s face breaks out and the only cure is the touch of Grim’s arm and getting to Grim means being nice to Billy.29Chocolate SailorBilly gets a job selling chocolate sailors and becomes his own best customer.30The Good, the Bad and the ToothlessBilly loses a tooth and meets the tooth fairy who’s not all he’s cracked up to be.31That's My MummyBilly is plagued by the curse of the mummy.32Toys Will Be ToysGrim brings the Dinobonoids to life so Billy can say his final goodbye but the toys aren’t ready to be outgrown.Season 1Season 2Season 4Season 5Season 6Season 7