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John Oliver devotes segment to AI chatbots and harms

tvApr 27, 20262672

John Oliver devoted the April 26, 2026 Last Week Tonight episode (S13 E09) to AI chatbots, focusing on chatbot psychosis, sycophancy and risks to children. He showed how chatbots can 'hallucinate' facts, reinforce dangerous beliefs and produce self-harm content that can affect users' mental health. Oliver also flagged prediction-market risks tied to gambling-style incentives and warned about kids using chatbots without adult oversight. Last Week Tonight posted the full segment online so viewers can watch the examples and weigh whether regulators should tighten safety rules.