The Batman (season 1, episode 8)

Q A Release date: 112004 Plot: When two people are abducted in separate public events on the same day, shortly after each were publicly humiliated, Batman learns that the connection between the victims is a former children s quiz show called Think Thank Thunk, and that the culprit is Arthur Brown, a child prodigy and former contestant, who seeks revenge against those who humiliated him on the show and now calls himself the Cluemaster. When Brown abducts the contestant who beat him on the show, Batman finds himself racing to save them before Brown dips them in acid.