AMITE --- Pray SONIC Drive-Ins are celebrating National Dr Pepper Day on Thursday, Oct. 24, with special giveaways at locations in Amite, Hammond, Kentwood, and Ponchatoula. The SONIC Drive-Ins will give away free Dr Pepper samples on Oct. 24. Customers are welcome to exchange their business cards for a free medium Dr Pepper throughout the day. SONIC will also give away free SONIC and Dr Pepper merchandise to customers at 10 a.m., 2 p.m. and 4 p.m.