Graham returns with a special lockdown series of his chat show. On his virtual sofa this week are singing superstar Michael Bublé, Daisy Haggard and Martin Freeman, the stars of dark family comedy Breeders, and, playing Chris Tarrant in Quiz, Michael Sheen, who gives Graham a masterclass in Who Wants to Be a Millionaire? Plus a home music performance from Brit award-winning Celeste and red chair stories from around the world.