Attention, Truebies! As you know, tonight marks the finale of the fourth season of True Blood at 9/8c only on HBO. Make sure you–and all your friends–check-in during the finale. If True Blood hits 50,000 check-ins during tonight’s finale–a record for a single show on GetGlue–everyone who checks-in will get a special discount from HBO.If we get 50,000 check-ins, visit your sticker tomorrow to get a limited-time discount at the Merlotte’s shop at the HBO True Blood store. Remember to check-in and tell your friends about this cool opportunity to be a part of a record and get a great discount.