Revenge of the Chip is a episode of Arthur season 3.
D.W. does not like to be reminded of her being tricked into thinking that the green chip she ate was poisonous. Throughout the day, all of the kids and adults tease D.W.'s incident. D.W. is furious that this went public, and blames Arthur but finds out it was their mom who told other people. Her mom apologizes for embarrasing her, and D.W. apologizes for blaming Arthur, but D.W. is upset again and runs off when her mom inadvertently tells the story to someone else.