Britain’s Nuclear Secrets: Inside Sellafield

Nestled on the secluded northwest coast of England lies one of the nation’s most enigmatic locations: Sellafield, Britain’s most debated nuclear site. In an unprecedented move, Sellafield has granted access to nuclear physicist Professor Jim Al-Khalili and a television crew to uncover its true narrative. Within its confines, Jim encounters some of the planet’s most perilous materials, explores the essence of radiation, and even endeavors to split the atom. He peers inside a nuclear reactor, observes one of the world’s rarest elements—radioactive plutonium—and exposes living tissue to lethal radiation. Ultimately, the film unveils Britain’s ongoing journey—past, present, and future—to tap into the nearly boundless energy of the atom.