Brain tries to hypnotize Sigmund Freud, but Pinky accidentally leaves Brain's mirrored glasses behind. Then, Pinky and the Brain travel to Japan so Brain can become a sumo wrestler to obtain a rare Japanese fish as part of his latest plan.
The Brain goes to Vienna to get famed psychiatrist Sigmund Freud to condition his patients for mouse worship, but Freud analyzes The Brain instead. The Brain becomes a Sumo wrestler in order to gain access to the rare Mugu fish, whose paralytic properties will help him take over the world.—Anonymous