Season 20 - Episode Guide

Among the guests on Graham's sofa are actor and musician Justin Timberlake and Oscar-nominated actress Anna Kendrick, co-starring in animation Trolls. They are joined by versatile British actor Daniel Radcliffe and musical star Robbie Williams, who performs his new single.

Among the guests on Graham's sofa are Star Wars and Trainspotting star Ewan McGregor, actor, producer and director Danny DeVito, comedian and actress Miranda Hart, Jurassic Park star Sam Neill and comic John Bishop. Musical guest Amber Riley performs And I Am Telling You I'm Not Going, from Dreamgirls.

Among the guests on Graham's sofa are ex-One Direction star turned solo artist Niall Horan, who chats and performs his new debut single This Town; five-time Oscar nominee Amy Adams, starring in new movie Nocturnal Animals; The Avengers and Hurt Locker star Jeremy Renner, appearing with Amy in science-fiction drama Arrival; and comic actor Chris O'Dowd, promoting the movie Mascots.

Among the guests on Graham's sofa are Hollywood great Tom Cruise, starring in Jack Reacher: Never Go Back, and his co-star Cobie Smulders, Brit star Jude Law, appearing in the new series The Young Pope, comedian and actress Catherine Tate, and rock band Kings of Leon, performing new single Waste a Moment.

Among the guests on Graham's sofa are Sherlock star Benedict Cumberbatch, now appearing as Doctor Strange, Oscar-winner Eddie Redmayne, starring in the Harry Potter prequel Fantastic Beasts and Where to Find Them, and Breaking Bad star Bryan Cranston, promoting his biography, A Life in Parts. Including chat and music from LeAnn Rimes, who performs The Story.

Graham is joined by Oscar-winning actor and director Ben Affleck, starring in new action thriller The Accountant, Sir David Attenborough, who is presenting BBC One's Planet Earth II, and ex-Doctor Who star Matt Smith and Wolf Hall's Claire Foy, starring as Prince Philip and the Queen in Netflix series The Crown.

Sting performs I Can't Stop Thinking About You from his new album.

Graham Norton is joined by Rosamund Pike, comedian Michael McIntyre, Andrew Lloyd Webber and Coldplay, who also perform their single Everglow.

Graham is joined by Tom Hanks, starring in Sully as the pilot who crash-landed his airliner in the Hudson river with no loss of life, British star Gemma Arterton, playing Joan of Arc in the classic play Saint Joan, Joseph Gordon-Levitt, playing the NSA whistleblower in Snowden, and athlete Mo Farah. With music from Olly Murs, who performs Grow Up.

Graham is joined by Oscar winner Jennifer Lawence and Jurassic World star Chris Pratt who both star in sci-fi romantic thriller Passengers. Plus celebrity chef, restaurateur and activist Jamie Oliver. With music from Emeli Sande, who performs Breathing Underwater.

Graham is joined by Star Wars actor and writer Carrie Fisher, talking about her new book The Princess Diarist; artist Grayson Perry, promoting his book The Descent of Man; new QI presenter and comedian Sandi Toksvig; and Great British Bake-Off favourite Nadiya Hussain.

On Graham's sofa are Oscar-winner Nicole Kidman and Best Exotic Marigold Hotel star Dev Patel, who appear together in new movie Lion. Joining them are Oscar-nominee Felicity Jones of Rogue One: A Star Wars Story, comedian Dawn French, promoting new TV drama series Delicious, and Sir Michael Parkinson, who discusses his book Muhammad Ali: A Memoir. Plus there is music from Jack Savoretti who performs Only You.

On Graham's sofa are Will Smith, Helen Mirren and Naomie Harris, appearing together in ensemble drama Collateral Beauty, and Sherlock actor Martin Freeman, talking about the new series of Sherlock. There is also music from Katie Melua, who performs The Little Swallow.

On Graham's New Year's Eve sofa are award-winning actors Michael Fassbender and Marion Cotillard, starring together in Assassin's Creed, X-Men star James McAvoy, in new film Split, comedian Frank Skinner, hosting the new series of Room 101, and Irish Olympic rowing heroes Gary and Paul O'Donovan. Plus there is music from Pete Tong and The Heritage Orchestra.

Graham Norton tells the red chair story. The tale of how this precarious flippable piece of furniture came to be a universally loved feature of his show and how it has played host to some amazing audience anecdotes. Each week, Graham's celebrity guests have watched open-mouthed as daring audience members have gripped the red chair tightly and told their story, all the while hoping not to be flipped. Allowing the best storytellers to walk, Graham has judged over 500 red chair stories. Many have walked, most have been flipped, and for some it has been life-changing. And so, while musing the art of telling the perfect red chair story, Graham showcases his all-time favourite red chair stories.

On Graham's sofa are Hollywood stars Ryan Gosling and Oscar-winner Emma Stone, starring together in the all-singing, all-dancing hit La La Land. Plus Oscar-winning actor and director Ben Affleck and British star Sienna Miller, who are appearing in crime film Live By Night.

On Graham's sofa are Oscar-winning Hollywood star Matthew McConaughey, promoting new crime adventure Gold, and singing star Ed Sheeran, who chats and performs.

On Graham's sofa are Danny Boyle and the stars of T2 Trainspotting, Ewan McGregor, Jonny Lee Miller, Robert Carlyle and Ewen Bremner. Izzy Bizu performs Talking to You.

On Graham's sofa are four-time Oscar nominee Annette Bening, starring in the critically acclaimed 20th Century Women, former Spiderman Andrew Garfield, appearing in Angels in America at the National Theatre, Britain's longest-serving female MP, Harriet Harman, to discuss her memoir A Woman's Work, and rising British star Asa Butterfield, in new sci-fi The Space Between Us. Plus music from Elbow, who perform their new single Magnificent (She Says).

On Graham's sofa are Denzel Washington, Jamie Dornan, Keanu Reeves and Whoopi Goldberg. With music from Rag'n'Bone Man, who performs Human.

On Graham's sofa are Tom Hiddleston, Ruth Wilson, Ricky Gervais, Daniel Radcliffe and Joshua McGuire. Plus music from Tinie Tempah.

Graham is joined by guests including Hugh Jackman and Sir Patrick Stewart who star in new X-Men movie "Logan."

A compilation of highlights from the current series featuring a host of star guests, including Justin Timberlake, Tom Hanks, Benedict Cumberbatch, Dame Helen Mirren, Tom Cruise, Emma Stone and Ryan Gosling.