The Adventures of Jimmy Neutron: Boy Genius Sheen's Brain (Season 2, Episode 19)
TV-Y7
TV Episode | 24 min | Animation, Adventure, Comedy

The Adventures of Jimmy Neutron: Boy Genius

Sheen's Brain (Season 2, Episode 19)

TV-Y7

TV Episode | 24 min | Animation, Adventure, Comedy

Sheen is one math test away from being left back, so Jimmy turns his Brain Drain helmet into a Brain Gain helmet and uses it on his buddy, instantly quadrupling Sheen's IQ.

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Cast	+ Add Cast
10 cast members

Name	Known for
Debi Derryberry James Isaac 'Jimmy' Neutron (voice) James Isaac 'Jimmy' Neutron (voice) See fewer	Jimmy Neutron: Boy Genius (2001)
Megan Cavanagh Judy Neutron (voice) Judy Neutron (voice) See fewer	Dracula: Dead and Loving It (1995)
Rob Paulsen Carl Wheezer (voice) Carl Wheezer (voice) See fewer	Animaniacs (1993)
Jeffrey Garcia Sheen Estevez (voice) Sheen Estevez (voice) See fewer	Jimmy Neutron: Boy Genius (2001)
Carolyn Lawrence Cindy Vortex (voice) Cindy Vortex (voice) See fewer	The SpongeBob Movie: Sponge Out of Water (2015)
Crystal Scales Libby Fallfax (voice) Libby Fallfax (voice) See fewer	Jimmy Neutron: Boy Genius (2001)
Andrea Martin Ms. Fowl (voice) Ms. Fowl (voice) See fewer	My Big Fat Greek Wedding (2002)
Billy West Sam Melnick (voice) Sam Melnick (voice) See fewer	Futurama (1999)
Jim Cummings Ultra Lord (voice) Ultra Lord (voice) See fewer	Winnie the Pooh (2011)
Frank Welker Actor (voice) Actor (voice) See fewer	Transformers: Dark of the Moon (I) (2011)