The RSC's production of Matilda The Musical perform 'Revolting Children'! | Semi-Finals | BGT 2026

School's out! Dropping into the Semi-Final for a special Guest Act performance, it's The Royal Shakespeare Company production of Matilda The Musical. See them cause chaos on stage with 'Revolting Children'. Watch BGT on ITVX: https://www.itv.com/watch/britains-go... Watch BGT Unseen on ITVX: https://www.itv.com/watch/britains-go... See more from Britain's Got Talent at http://itv.com/BGT SUBSCRIBE: http://bit.ly/BGTsub Facebook:   / bgt   X: https://x.com/BGT Instagram:   / bgt   TikTok:   / bgt