"The Duh-Vinci Code" is the fifth episode of Futurama sixth season. It originally aired on Comedy Central in the United States on July 15, 2010. In the episode, Fry finds a drawing of a lost Leonardo da Vinci invention which leads him and Professor Farnsworth to planet Vinci. The episode's title and plot is a parody of The Da Vinci Code. It received positive reviews from critics and went up one-tenth in the 18-49 demographic from the previous episode, "Proposition Infinity". Plot Fry misses the first question on Who Dares to Be a Millionaire?, and Professor Farnsworth berates him for his stupidity. Farnsworth explains that he is a proud scientist who greatly admires classic geniuses of history, mainly Leonardo da Vinci, and it pains him that one of his ancestors (Fry) is such an idiot. Farnsworth shows Fry his most precious possession, Da Vinci's beard. Fry accidentally destroys it, uncovering a secret project of Da Vinci's. After two weeks of fruitless research, Farnsworth orders Bender to steal Da Vinci's original Last Supper, and using an x-ray machine, learns that Saint James was a robot. The Planet Express crew goes to Rome to find the tomb of Saint James. They discover a robot in the tomb, who suddenly comes back to life and explains to the crew that he is Animatronio, a robot version of the original Saint James created by Leonardo da Vinci. Farnsworth asks Animatronio about Da Vinci's secret project, but Animatronio realizes that if they do not know about the "Machina Magnifica", they must not be a part of Da Vinci's secret society. He carelessly reveals that Da Vinci's secret is in a fountain, and proceeds to self-lash himself and fakes death to deny them any other information. Farnsworth uses clues from a statue of Neptune in the room to deduce that they need to look in the Trevi Fountain. The crew arrives at Trevi Fountain, and Bender dives in to steal the coins at the bottom. He fights a mutant octopus for the coins and discovers a secret door that leads to a room filled with many of Da Vinci's famous inventions. Animatronio reappears and after an attempt at their lives, carelessly mentions that all the inventions fit together. Fry triggers one of the inventions, which assembles itself into a spaceship and sends Fry and Farnsworth to the planet Vinci. They find Leonardo da Vinci, who reveals