S03E12: Insane in the Mainframe

When Fry and Bender are mistaken as bank robbers, they are sentenced to time in an insane asylum for robots. Bender, of course, sees it as a vacation, but Fry begins to crack under the pressure of mechanical examinations and a diet consisting of motor oil. Fry soon becomes convinced that he too is a robot and is declared cured and released back to New New York. Bender and his new partner in crime, Roberto, escape from the asylum and attempt to rob a bank only to find the cops waiting to bust them. On the lam, the seek refuge on the Planet Express and take the crew hostage.