The Adventures of Jimmy Neutron: Boy Genius

King of Mars (Season 3, Episode 18)

TV-Y7

TV Episode | 24 min | Animation, Adventure, Comedy

Eustace Strych is back, and he's still determined to humiliatingly defeat Jimmy. Now the race to find an energy source on Mars is on! Who will win?

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Cast	+ Add Cast
9 cast members

Name	Known for
Debi Derryberry James Isaac 'Jimmy' Neutron (voice) James Isaac 'Jimmy' Neutron (voice) See fewer	Jimmy Neutron: Boy Genius (2001)
Jeffrey Garcia Sheen Estevez (voice) Sheen Estevez (voice) See fewer	Jimmy Neutron: Boy Genius (2001)
Rob Paulsen Carl Wheezer / Martian #1 (voice) Carl Wheezer / Martian #1 (voice) See fewer	Animaniacs (1993)
Carolyn Lawrence Cindy Vortex (voice) Cindy Vortex (voice) See fewer	The SpongeBob Movie: Sponge Out of Water (2015)
Frank Welker Goddard (voice) Goddard (voice) See fewer	Transformers: Dark of the Moon (I) (2011)
Megan Cavanagh Judy Neutron / Martian #2 (voice) Judy Neutron / Martian #2 (voice) See fewer	Dracula: Dead and Loving It (1995)
Jim Cummings Martian #3 (voice) Martian #3 (voice) See fewer	Winnie the Pooh (2011)
Crystal Scales Libby Fallfax (voice) Libby Fallfax (voice) See fewer	Jimmy Neutron: Boy Genius (2001)
Billy West Blix (voice) Blix (voice) See fewer	Futurama (1999)