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The Adventures of Jimmy Neutron: Boy Genius
Season 2 · Episode 4
Nightmare in Retroville
6.023mOctober 29, 2003
In order to have the scariest Halloween costumes ever, Jimmy uses his latest invention to morph Carl and Sheen into a Vampire and a Werewolf.
Episodes
- Episode 1Beach Party Mummy
- Episode 2The Retroville 9
- Episode 3Grumpy Young Men
- Episode 4Nightmare in Retroville
- Episode 5Monster Hunt
- Episode 6Jimmy For President
- Episode 7Return of the Nanobots
- Episode 8Holly Jolly Jimmy
- Episode 9Love Potion #976/J
- Episode 10Sheen's Brain
- Episode 11MaternoTron Knows Best
- Episode 12Send in the Clones
- Episode 13The Great Egg Heist
- Episode 14The Feud
- Episode 15Out, Darn Spotlight
- Episode 16The Junkman Cometh
- Episode 17Foul Bull
- Episode 18The Science Fair Affair
- Episode 19Men at Work
- Episode 20The Mighty Wheezers
- Episode 21Billion Dollar Boy