Following the news of Grizzly 399's untimely death on October 22, the team behind "Grizzly 399: Queen of the Tetons" reconvenes to mourn her loss and celebrate her legacy. Panelists include Grizzly 399's most dedicated photographer Thomas Mangelsen, producer Elizabeth Leiter, research biologist Trevor Bloom, former Grizzly Bear Recovery Coordinator for the U.S. Fish and Wildlife Service Dr. Chris Servheen, and NATURE's executive producer Fred Kaufman as moderator. Watch the live stream at 4 p.m. PT below: