1 Brother of ice » Crossover between 3 movies, Frozen, Tangled and Rise of the guardians. Rapunzel and Flynn tell Elsa, and the royal family about Elsa's missing brother Jack frost. Together the gang go searching for him to reunite him with Elsa but there is something truly evil that's lurking their way, and trying to stop them. Will jack and Elsa be reunited in the end or will it all crumble around