Bonanza (1959)

S6E9 Between Heaven and Earth

Joe and his buddy Mitch set out to track a puma. As Joe scales a towering peak, he tosses his gun higher, planning to follow it. However, as he glances down, the world starts to swirl around him, making him realize he can't ascend any further. He decides to backtrack down the slope. Eager to demonstrate his worth, Joe challenges Mitch to a sparring match.