Escape from Piccolo! Gohan Summons a Storm

When Goku had finally traveled halfway, Gohan, who was training in the wilderness, became homesick and tried to go back home. However, no matter how much he ran along the coast after passing through the desert, he always ended up back where he started. Curious, Gohan climbed a mountain and discovered that he was on an island.

City of No Tomorrow! The Long Road to Victory

Piccolo and Gohan return to the wilderness and begin their training. After that, Krillin and the others, who are fed up with not receiving much training, are led to a room where all time is mixed together and are sent on a journey through time. Having traveled through time and space, the four are suddenly attacked by a mysterious duo.