Dr. Tristan Adams is the owner of the Tantalus V. Observatory. He appeared in the Season Two episode, "Roger Ebert Should Lay off the Fatty Foods" as the main antagonist.


In "Roger Ebert Should Lay off the Fatty Foods", Dr. Adams uses his "star machine" to hypnotize people into loving and volunteering for the planetarium.

He almost got away with it, but Eric Cartman, pissed off, breaks the machine, resulting in Dr. Adams getting a full dose of the "stars". With no one to tell him what to do, his mind was erased. Due to a speech impediment, he cannot pronounce the "t" in "planetarium".


Dr. Adams has many wrinkles in his face and is balding. He wears the standard uniform at the planetarium: A black shit with a light blue v-neck shirt with a dark cloud and sun on it.


  • Dr. Tristan Adams is a parody of psychologist and director of the Tantalus Penal Colony in the Star Trek: The Original Series (1966-1969) season one episode Ten "Dagger of the Mind".[2]
  • In the 1999 South Park video game, entering the cheat "PLANEARIUM" unlocks a "pen and ink mode", which drastically alters the game's graphics.


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