Barbie & Her Sisters In A Pony Tale 123Movies | Fmovies | watch movies online. Barbie and three sisters go to a Swiss riding academy to spend their holiday with Aunt Marlene. While enjoying the riding lessons here, four girls know about the financial crisis of the academy and they are willing to help Aunt Marlene. Together they take part in Inter Academic Equestrian Tournament with the hope of winning the prize to save the academy. Along with that, Barbie also discovers makes friend with a mysterious wild horse named The Majestic that used to belong to warrior princesses.