"Professor Calamitous, I Presume" is the second segment of the fourteenth episode of The Adventures of Jimmy Neutron: Boy Genius. As the title suggests, it marks the first appearance of the main villain, Professor Calamitous.


Professor Finbarr Calamitous, who is a genius but can never finish anything, plots to take over Retroville, with some help from its resident boy genius. He kidnaps Goddard and Jimmy must rescue Goddard and stop Calamitous before it's too late.


  • The rocket in Calamitous' lab looks just like the one Jimmy builds in Planet Sheen.
  • Carl and Calamitous secretly like Ms. Fowl.
  • The rocket Jimmy uses is the same one that Sheen used in the movie.

Home video releases

  • The Adventures of Jimmy Neutron: Sea of Trouble
  • The Adventures of Jimmy Neutron: Best of Season 1

"Gee, this is harder than I thought."
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