The Doctor's quest to get Belinda back home to Earth leads to a space station hosting the famous song contest. But a harmless night of fun soon becomes a battle to survive.

Cast: Ncuti Gatwa, Varada Sethu, Anita Dobson, Rylan Clark, Julie Dray, Graham Norton, Freddie Fox, Miriam-Teak Lee, Kadiff Kirwan, Charlie Condou, Kiruna Stamell, Iona Anderson