 Birthdays now, the Big Z Birthday Bash, a service of Alton Little Theater. See what's on stage at altonlittletheater.org. The Big Z Birthday Bash is sponsored by Alton Little Theater, your community theater for 91 years and bringing you entertainment close to home year-round. Check out the upcoming schedule at altonlittletheater.org. Today's Big Z Birthday Bash winner gets a $20 certificate to a local restaurant.