Join NATURE for a special LIVE post-premiere Q&A with the filmmakers and experts from "Grizzly 399: Queen of the Tetons." NATURE executive producer Fred Kaufman will moderate a panel with producer Elizabeth Leiter, research biologist Trevor Bloom, and renowned 399 photographer Thomas Mangelsen. View the panel LIVE on YouTube on Wednesday, May 8 at 6 p.m. (9 p.m. ET). Have a question for our panelists? Watch the episode with us on YouTube at 5 p.m. PT (8 p.m. ET) and join the chat! NATURE | PBS on Facebook / Instagram