Question: Which 2006 British-American mockumentary comedy film was Bad Grandpa a reminiscent?
Sentence (from "Pittsburgh (2006 film)"): The film features numerous other famous personalities portraying themselves, including Ed Begley, Jr. (who had worked with Goldblum on Transylvania 6-5000), Illeana Douglas (who directed Goldblum in her own film "Supermarket"), Moby (as Douglas's boyfriend), Conan O'Brien and Craig Kilborn (hosting Goldblum on their respective shows), Alanis Morissette, and Tom Cavanagh.
Relevant evidence: No