From the Disney Movie Rewards Facebook page:

Want 25 Bonus Points? If you haven’t already, use our Facebook App to link your DMR and Facebook accounts, and then you can access Disney Movie Rewards from right here in Facebook. Access the app here: http://bit.ly/JyznLr.

(Bonus poin…ts will show up in your account under “My DMR” as “Facebook Registration Points”. Be sure to check your point history– if you already connected in the past, you have already received the 25 points. If accessing via mobile or tablet, link may not work. Please try again from a desktop computer.)