recorded after the monologue but aired before it, something Ferguson originally thinly disguised, but later openly mocked. On November 22, 2010, Ferguson opened the show with evidence that a French talk show called Ce Soir Avec Arthur had stolen his show's opening sequence, as well as some of his puppet and song-and-dance concepts. On November 29, 2010, Ferguson introduced Arthur in the cold opening of the show; they joked back and forth for about two minutes, and then Arthur returned to help Ferguson answer viewer emails and again at the end of the show. Theme song When he was hired as the full-time replacement for Craig Kilborn, Ferguson co-wrote and recorded a theme song. The theme tune was re-recorded for the show's switch to HD, premiering on August 31, 2009, and produced by Andy "Stoker" Growcott. Except for when the show traveled (i.e. Paris, Scotland, New Orleans), the lyrics to this theme were the same during the entire 10-year run. Sidekicks Geoff Peterson On April 5, 2010, Ferguson began featuring a robot skeleton sidekick, Geoff Peterson, voiced by Josh Robert Thompson. The robot was created by former Mythbuster Grant Imahara. According to a web article by Jeremy Kaplan, when Imahara became aware of Ferguson's idea to have a robot sidekick, he responded with a March 1, 2010 tweet: Ferguson subsequently came through with the followers and Imahara came through with the robot. While Geoff began with pre-recorded phrases, Thompson voiced him live in studio for almost every episode since late June 2011, including those filmed in Paris, France and Scotland. Three people are often given screen credit at the end of the show as being responsible for Geoff: Imahara, writer Tom Straw (and later Bob Oschack), and voice actor Thompson. Ferguson has said that the robot is "my metaphor for deconstructing the dead art form of the late night talk show", and that he selected the name because of its commonness. Ferguson has jokingly referred to Geoff as an "appliance" who is being used because the show's small budget does not permit a typical (and living) sidekick or band. But as the years progressed, mainly due to Thompson's performance, even Ferguson would admit that Geoff Peterson came to fully embody the very sidekick cliché that they intended to mock. Geoff has a running "feud" with recurring guest Kristen Bell, who claims that she had wanted to be Craig's sidekick and