Can be watched only if you have a iPod that supports Videos, includes iPhone, iPod Touch, and iPad. Or watch it on PC/Mac.
I just found out 2 days ago when searching more Winx on iTunes. Then they finally updated the 1 Hour Special Episode. It cost only $4.99 As Buying a Movie or $3.99 for Renting a Movie.
I'm getting it. xD
Here's the image I captured:
I'm not sure if other countries can see it. It might be only for US. If you are from another country, can you check in Search? =)
Enjoy! ^_^