Hay Festival 2026

Join gut health guru and bestselling author, Professor Tim Spector, for a lively dive into the bubbling world of fermentation. Spector reveals how everyday microbes – tiny invisible chefs – can transform our food, boost our health, and even put us in a better mood. From sauerkraut to kimchi, sourdough and even coffee, discover how fermented foods can profoundly influence our gut health, boost our immunity and kickstart our overall well-being. Expect humour, fascinating science, and practical tips to make your kitchen a thriving microbial playground. Perfect for food lovers, science fans, and anyone curious about the quirky, powerful world of microbes that live inside – and alongside – us.

Prepare for a raucous, high-energy Hay Festival event as multi-award winning comedian, Russell Kane, brings his love of pets – and his brand-new picture book – to life on stage. Brace yourself for the chaotic introduction of Brian, an adorable chihuahua, to Terry, the family’s loyal Burmese cat. Packed with jokes, games, fun facts and outrageous stories of pet rivalry, this show promises laughter for all ages. No pets were harmed in the making of this unforgettable comedy adventure.