Great page for finding free theater performances around town.
Give them a visit, you will be happy with the deals you find!
From their page:
Between parking, drinks and tickets, an evening of theater doesn’t always come cheap. But, you shouldn’t let the pricey reputation of live shows keep you seated at home in front of the television. There’s plenty of theater to be had locally for free, or at least for less than the price of a movie ticket. These theater picks should satisfy even the most frugal.