Prologue is a 2015 British animated short film directed by Richard Williams and produced by his wife Imogen Sutton. It is the first part of a planned feature film based on the play Lysistrata by Aristophanes, in which Greek women withhold sexual privilege from their husbands and lovers in order to end a war. The film was a critical success and gained many awards and nominations, including an Oscar nomination for Best Animated Short Film.