Robin Williams’s iconic 2001 appearance on Inside the Actors Studio remains one of the show’s most unforgettable moments. His lightning-fast improvisations left James Lipton and the audience in hysterics. At one point, Williams zeroed in on a woman’s infectious laughter, playfully teasing her until she was in tears. This segment showcased Williams’s unparalleled comedic genius. Even in a formal setting, he transformed the room into a stage, expertly feeding off the audience’s energy. Lipton later praised him as the ‘most generous performer’ to ever appear on the show, someone who could make an entire audience feel seen through laughter.