Danny Dyer recounted a major panic attack on stage in 2001 after forgetting his lines due to a drug-fueled night in New York. The former EastEnders actor took drugs before performing in Harold Pinter's play, experiencing a moment of freezing on stage. Despite someone helping him with the lines, he faced a significant panic attack but managed to continue the scene. Dyer described the incident as a wake-up call and a learning experience, emphasizing the impact of the late playwright Harold Pinter on his life and career.