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.

The Battle with Gravity! Catch Bubbles-kun

Goku finally meets King Kai on King Kai's planet. He somehow manages to pass the gag test (?) set by King Kai, who loves puns, and finally begins his training on King Kai's planet. He chases King Kai's pet Bubbles for three weeks in gravity ten times that of Earth. After Goku successfully overcomes gravity and captures Bubbles, King Kai has certain expectations of him.