Bonanza - Season 4 Episode 28
My Brother's Keeper

While hunting for a wolf, Joe is attacked by the wolf. Adam also hunting for the wolf, hears Joe struggling with the wolf comes to Joes aid. He fires his rifle but the bullet hits Joe. Adam hurries over knocks the wolf off Joe, shoots, and then kills the wolf. The damage has already been done with the wolf bite and Adams bullet in Joe. Adam has to rush his little brother back to the Ponderosa. Will he make it back to save Little Joes life, since the wolfs bite is fatal?