Doctor Who for David is time travel, so I wanted to give him that experience. He was open and up for it, and I got a good reaction. He's a real screamer!". Tennant also returned for the final episode of the series with the rest of the participants from the other episodes in the series to take part in one final experiment. Tennant appeared in the 2008 episode "Holofile 703: Us and Phlegm" of the radio series Nebulous (a parody of Doctor Who) in the role of Doctor Beep, using his Lothian accent. Also in 2008, he voiced the character of Hamish the Hunter in the 2008 English language DVD re-release of the 2006 animated Norwegian film, Free Jimmy, alongside Woody Harrelson. The English-language version of the film has dialogue written by Simon Pegg, who also starred in it as a main voice actor. In early 2009, Tennant narrated the digital planetarium space dome film "We Are Astronomers" commissioned by the UK's National Space Centre. On 13 March 2009, he presented Red Nose Day 2009 with Davina McCall. He joined Franz Ferdinand onstage to play the guitar on their song "No You Girls" on a special Comic Relief edition of Top of the Pops. In summer 2009, Tennant filmed St. Trinian's II: The Legend of Fritton's Gold. The film was released in December 2009. From October 2009, he hosted the Masterpiece Contemporary programming strand on the American Public Broadcasting Service. In December 2009, he filmed the lead in an NBC pilot, Rex Is Not Your Lawyer, playing Rex, a Chicago lawyer who starts to coach clients to represent themselves when he starts suffering panic attacks. The pilot was not picked up and the project was shelved. In November 2009, he co-hosted the Absolute Radio Breakfast Show with Christian O'Connell for three consecutive days. He returned to cohost the show for one day in October 2010. On 7 March 2010, he also appeared as George in a one-part BBC Radio 4 adaptation of Of Mice and Men in the Classic Serial strand. In October 2010 he starred as Dave, a man struggling to raise five children after the death of his partner, in the British drama Single Father. For this role he was nominated as Best Actor at the Royal Television Society Programme Awards 2010. Despite much of his work being television work, Tennant has described theatre work as his "default