The theatre department produces twelve major productions each school year: A Theatre Major Studies show (limited to students in the program), a Theatre Honors Production show (limited to students in the program), the 9th/10th One Act, an open audition musical, a Drama Intensive show (limited to students in the program), six senior-directed one act plays, and the open audition one act. Plano East's one-act competes annually in the state UIL One-Act Play Competition every spring. In 2006, under the direction of Lisa Hale, Plano East won the state championship for their production of "The Marriage of Bette and Boo."