While it mostly contains songs from Season 3, it also has some of Season 4's best including Hearts as Strong as Horses. Check it out on iTunes.
That is, assuming you already bought them.
If you own a digital copy of one of Disney's 400 "active" titles on iTunes, you can link your iTunes account with this new service and stream your movies on your iPod, iPad or iPhone for
free no additional cost!
From the press release:
"Disney Movies Anywhere is an adaptable digital ecosystem designed to help consumers consolidate their Disney movie collections and enjoy them for years to come," said Jamie Voris, Chief Technology Officer, The Walt Disney Studios. "The beauty of this technology is that it enables us to work with iTunes and future provider partners to ensure movie lovers have streamlined access to all of their favorite Disney titles no matter which device they are on."
On the bright side, they're offering a free copy of The Incredibles if you sign up now.