On March 13, all of your favorite Frozen characters will return to the big screen in the new Disney animated short Frozen Fever. Anna, Elsa, Kristoff and Olaf reunite for this 7 minute adventure, which finds a big birthday bash in trouble. ABC's Good Morning America has revealed the first footage with a teaser trailer, which also includes a brief look at Disney's Cinderella.Frozen Fever is set to debut alongside director Kenneth Branagh's live action take on the Cinderella fairytale starring Lily James, Cate Blanchett, Helena Bonham Carter and Hayley Atwell.