The Metropolitan Opera Live in HD – Wagner’s Gotterdammerung.  12pm.  12:55pm.  $22/adults.  $20/seniors.  $18/students.  $15/children.  Merchants Walk Stadium Cinemas, 1301 Johnson Ferry Road, Marietta. More info:  678-560-1111 or www.georgiatheatrecompany.com/gtc-promotions.asp.