The Grim Adventures of Billy and Mandy Wiki
Toadblatt's School of Sorcery
Series Grim & Evil
The Grim Adventures of Billy & Mandy
Season 1
Production code 101
Writer Ben Spergel
Broadcast information
Broadcast number 1A
Cartoon Network US Premiere June 13, 2003
Paired with Educating Grim
Chronological information
Creating Chaos

Toadblatt's School of Sorcery is the first segment of the first episode of The Grim Adventures of Billy & Mandy.


On the first day of summer, Billy and Mandy are due to be sent to summer camps they do not wish to attend (Billy's is a maths camp and Mandy's is a camp teaching people to be happy and friendly), so Grim sends them to Toadblatt's Summer School of Sorcery instead. When they arrive, they are greeted by Dean Toadblatt. Billy and Mandy are sent to Weaselthorpe House ("the worst house on the campus" according to Toadblatt), whilst Toadblatt makes Grim the prefect of Gunderstank House.

When Billy and Mandy arrive at Weaselthorpe House, they are introduced to the other students by wizard Nigel Planter. Nigel informs Billy and Mandy of the House Championship, which Gunderstank always wins due to being Toadblatt's favourite house. To help Weaselthorpe win the championship, Mandy proposes that they sabotage Gunderstank.

The next day, whilst Toadblatt is sitting in on one of Grim's potion classes, Mandy discretely switches one of the ingredients in an invisibility potion, causing it to instead transform Grim and Toadblatt into different creatures, infuriating Toadblatt. Later that night, Billy and Mandy steal Toadblatt's Cumulon-6 broomstick from his office and place it in his castle, releasing a Gunderstank-brand dragon as well. When Toadblatt returns, he discovers both the broomstick and the dragon, which destroys his castle, infuriating him even more. Finally, on a field trip to the Enchanted Meadow the next day, Billy switches two signposts around so that a sign for the Enchanted Meadow leads into a dark cave. When Toadblatt attempts to enter the cave, he is grabbed by a "deadly manticore", which attacks and severely injures him, infuriating him even more.

Mandy's sabotage plans work, and Weaselthorpe wins the House Championship. Nigel claims the credit for it, which annoys Mandy. At the celebration party, Nigel attempts to kiss Mandy, but Mandy tricks Nigel into admitting to the sabotage in front of Toadblatt and Grim. When he is caught, Nigel attempts to bluff his way out but a furious Toadblatt warns Nigel he is "finished". Nigel is sent to a battleground, where Billy, Mandy, Grim, Toadblatt and the rest of the school watch Nigel get brutally beaten and mauled (off-screen) by a "giant, one-eyed dwarf".


  • Story by: Ben Spergel
  • Storyboard by: Maxwell Atoms, Mike Diederich
  • Directed by: Robert Alvarez


  • The episode's storyline is a clear parody of the Harry Potter series.
  • This episode is the first to use the title card's new theme tune, which lasts for the remainder of the series.
  • One of the Weaselthorpe house students resembles a younger General Skarr.
  • Although this is said to be the second season premiere, it is technically the premiere of the series, due to the cartoons separating into their own spin-offs. 


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Grim & Evil Episodes Next:
Creating Chaos