Howard Hall has released a short film about humpback whales called Leviathan. It consists of footage shot during his August 2012 Tonga Expedition during which he spent a total of over 8 weeks in Tonga, shooting 5K digital cinema catalog footage, as well as 70mm film and Epic 5K digital for the MacGillivray Freeman IMAX feature, Humpback Whales. The music is by Alan Williams.