Details: To celebrate National Pizza Month, Red Robin has announced a deal in October where Red Robin Royalty members can get 50% off a 14″ Donatos pizza when they buy one at full price. The offer is valid for dine-in, take out or delivery. Valid for Royalty members only. Reward begins 10/1/19, ends 10/31/19. Valid at participating locations on dine-in, dine-out and delivery occasions.