Continuity mistake: As the power builds up in Bender, his left eye pops out, making him a cyclops, subsequently being eaten by the Cyclops eater. After the monster dies, Bender comes out, and has two eyes in the long shot, but puts his left eye back in the close up.

Futurama (1999)
Episode list - season 5
Starring: John DiMaggio, Katey Sagal, Tress MacNeille, Billy West, Lauren Tom
More mistakes in Futurama More quotes from Futurama More trivia for FuturamaMore questions & answers from Futurama
Lrr: I am Lrr. Ruler of the planet Omicron Persei 8.
Trivia: The robot devil is voiced by Dan Castellaneta, the voice of Homer Simpson.
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Answer: You are thinking about episode 20 of series 2 - "Anthology of Interest I". She technically never kills anyone, but in the episode she ask a "What if machine" (one of the Professor's inventions) what would happen if she was more impulsive. The machine then shows the more impulsive Leela killing off the Professor to get the money from his will and thereafter killing Hermes, Bender, Scruffy, Cubert, Nibler, Amy and Zoidberg to cover it up. Finally she does something really impulsive with Fry.
Andreas[DK]