Heat 4, 2026

Russell Davies chairs the nationwide general knowledge quiz that has been entertaining and challenging audiences since 1953. Four competitors test their wits against a vast array of questions, covering everything from Ariana Grande to Ariadne, and from baryons to baritones, seeking to become Brain of Britain 2026.

Spotlight rounds are the Cold War, the films of Baz Luhrmann, New York buildings and gemstones.

Presenter: Russell Davies Voiceover: Jess Lambert Casting Producer: Sunil Mistry Assistant Producer: Ami Gill Production Coordinator: Kate Scarbrough Producer: David Bodycombe Executive Producers: Justin Scroggie and Jago Lee

A TellTale Industries/Format People production for BBC Radio 4.