Revenge of the Chip is the second part of the fifth episode of Arthur season 3. It aired with the episode The Chips are Down.
Summary[]
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 Wise for blaming Arthur, but D.W. is upset again and runs off when her mom inadvertently tells the story to someone else.