Idina Menzel, Kristen Bell, Jonathan Groff, Evan Rachel Wood, Sterling K Brown, Josh Gad and more star in the new trailer for 'Frozen 2'. Anna, Elsa, Kristoff, Olaf and Sven leave Arendelle to travel to an ancient, autumn-bound forest of an enchanted land. They set out to find the origin of Elsa's powers in order to save their kingdom. This trailer is in HD. Check it out.