Day 1

Piccolo leaves Gohan in the middle of Break Wasteland, saying that he will be back in six months to teach him how to fight; if he cannot learn to survive on his own, he does not deserve to live, much less fight.

HellShadows

Goku nearly falls into the depths of Hell

While Gohan bawls to himself on Earth, Goku tries to save some time by leaping entire sections of the very twisty road, but catches his foot on an incredibly sharp scale of the Snake Way and nearly falls into the depths of Hell below.