As winter approaches, field teams finish up their science for the season, this is their last chance to btain information for their research.

Originally released by National Geographic Digital Media, 2016. Streaming video file encoded with permission for digital streaming by Infobase on May 17, 2017.

Introduction: Race Escape (5:03); --Close Ice Escort (4:26); -- Marine Megafauna Team (3:54); -- Sampling the Locals (3:17); -- Setting Up Camp (5:04); -- Close Ice Escort — Part 2 (4:21); -- Biopsy Science (2:33); -- Returning From the Field (5:10); -- Recovering Data Tags (1:51); -- Homing in on the Signal (3:43); -- End of the Escort (4:38); -- Winter is Coming (3:04); .