For a limited time, it looks like you can enjoy a FREE rental any Redbox Kiosk when you use coupon code LTYN674T at checkout.
You will want to note that this is an unadvertised coupon code. So this coupon code may not work for everyone. Definitely worth a try though if you want to do a movie night tonight.
**Coupon code only valid for one free night. Any additional nights will be charged at the regular rate. Expiration is unknown.