Free children's ticket to Disney's Oz, the Great and Powerful when you purchase two adult tickets

Get a free children's ticket to Disney's Oz, the Great and Powerful:
1. Sign in to or join Disney Movie Rewards (free).
2. Enter the "magic code" DISNEYOZ.
3. Click on the banner to print out your voucher.
4. If you're not a member of Regal Crown Club, join here.
5. Present the voucher and your Regal Crown Club card at any Regal Cinemas Box Office.  When you purchase two adult tickets and present the voucher, you'll get one child's ticket for free.
6. Offer good 3/24/13–3/28/13 at participating Regal Cinemas in the U.S. only