Enemy Mine / Theater

  • In The Taming of the Shrew, several men are rivals for the hand of the fair Bianca, but her father won't let any of them marry her unless her shrewish older sister, Katarina, is married off first. Realizing that there's no point in fighting each other if they don't have a chance, the suitors decide to work together to get Katarina a husband.
  • In Reds and Blues, the two families of feuding Liverpool and Everton supporters (and the audience, who are likely to be similarly split) briefly join together when a Manchester United fan shows up.