The Annoyance Theatre, or Annoyance Productions, is a theatre and associated ensemble based in Chicago, Illinois, that deals mainly in absurd and outrageous humor. Many people who have performed with the ensemble have gone on to become successful stage and screen actors. Popular productions have included Co-Ed Prison Sluts and That Darned Antichrist. Annoyance Productions currently runs classes in improvisation, writing, musical improvisation, acting, and solo work.