Doctor Who Faces Animated God of Light in Lux

Doctor Who season 15, episode 2, titled 'Lux,' sees the Fifteenth Doctor (Ncuti Gatwa) and companion Belinda Chandra (Varada Sethu) confront Lux, the God of Light, who manifests as the animated villain Mr. Ring-a-Ding, voiced by returning guest star Alan Cumming. The episode features a blend of live-action and animation, with the Doctor and Belinda escaping a trap by stepping into the living room of three Doctor Who fans, breaking the fourth wall and blurring fiction and reality. In a meta twist, the fans' surnames are revealed in the end credits as an Easter egg. Nostalgic nods include a fan holding the Third Doctor's sonic screwdriver toy. Showrunner Russell T Davies highlighted Cumming's return as an example of greater casting flexibility. The episode combines terror, nostalgia, and playful meta-commentary while advancing Belinda's ongoing quest to return home.