The story begins with the Planet Express crew participating in a sci-fi war reenactment where Bender is "killed". While Bender laughs it off, claiming he can just download his consciousness into a new body, a subsequent medical checkup by Professor Farnsworth reveals a fatal manufacturing defect: Bender was built without a wireless backup unit.
Faced with the terrifying reality that he is mortal, Bender becomes obsessed with finding and killing , the person at Mom's Friendly Robot Company who approved his "defective" construction. Hermes, feeling a kinship through their shared bureaucratic background, agrees to help Bender track down the inspector in Tijuana, Mexico. The Big Reveal [S6E6] Lethal Inspection
At the end of the episode, after failing to find the inspector and surviving a series of "Killbots," Bender eventually comes to peace with his mortality. However, a final flashback—which Bender never sees—reveals that . The story begins with the Planet Express crew