In June 2011, it was announced that Bill and Ben Productions were making A Liar's Autobiography, an animated 3D film based on the memoir.[3] The full name is A Liar's Autobiography: The Untrue Story of Monty Python's Graham Chapman. Although not a Monty Python film, all but one of the then-remaining Pythons were involved in the project. Asked what was true in a deliberately fanciful account by Chapman of his life, Terry Jones joked: "Nothing... it's all a downright, absolute, blackguardly lie."
The film uses Chapman's own voice—from a reading of his autobiography shortly before he died of cancer—and entertainment channel EPIX announced that the film was produced in both 2D and 3D formats. Produced and directed by London-based Bill Jones, Jeff Simpson, and Ben Timlett, the film used 14 animation companies, each working on chapters that range from 3 to 12 minutes in length, with each chapter in a different style similar to Opéra imaginaire.
John Cleese recorded dialogue which was matched with Chapman's voice. Michael Palin voiced Chapman's father and Terry Jones voiced his mother. Terry Gilliam voiced his psychiatrist. They all play various other roles. Among the original Python group, only Eric Idle was not involved, although he can be seen during footage of John Cleese's eulogy at Chapman's memorial service near the end of the film.[3]
The film received mixed reviews from critics. As of March 2024, it holds a 44% approval rating on Rotten Tomatoes, based on 50 reviews with an average rating of 5/10.[4] On Metacritic, the film has a 45/100 rating, signifying "mixed or average reviews".[5]