>>498574saw an episode of meateater(season 4 i think?) where rinella and his crew got charged by a grizzly in alaska.
they shot at the grizz and she didnt back down and kept charging. after a few more shots, and being only 15 or so feet from them, she went 45 degrees in another direction.
i am skeptic of most reality tv shows but that seemed too crazy to fake, although his show would totally have the budget to bring in tamed bears, one of them was a baby.
with bad shot placement(they had bolt actions, so maybe 2-4 rounds in total as 2 of them were armed) they could have easily been mauled to death.