Thursday is Deep Dish Pizza Day. If you have a BJ's restaurant in your area, you might be able to get a free pizza! BJ's is giving out 30,000 free mini deep dish pizzas. The restaurant is teaming up with DoorDash to deliver the pies. Do you want one?!! Download the DoorDash app, find BJ's, enter the code DEEPDISH and you can get a mini pepperoni or cheese deep dish pizza between 9 am and 9 pm local time while supplies last.