Buy One Blu-ray Disc and Receive a Second for Free

Amazon has kicked off another Buy 1 Get 1 Free Sale:

Select any two titles from the list below and get one of them free. The promotional discount will be applied at checkout to the title of lesser cost. You will see a credit in your shopping cart. Limit three of each title per customer. Quantities are limited.

Over 100 titles available!

Check it out:  Amazon - Buy 1 Get 1 Free (Blu-ray)