100th Episode. As Bender organises a party to celebrate the 100th delivery by Planet Express, Fry accidentally discloses at a Mrs Astor's high society function that Leela is really a mutant, not an alien. She is arrested and exiled to the sewers. There she organises a revolt.
Meanwhile Mrs Astor's husband is found on the Titanic, sunken beneath the streets of New New York, now a mutant himself.