Siege on Chow Castle Dragon Ball: Doragon bôru : Season 1 Episode 113

The invasion has begun! A youthful Piccolo Daimao sets out to vanquish the world, sector by sector, and he's starting out with the peaceful inhabitants of the King's realm! Meanwhile, Goku hopes to regain his strength by visiting Karin Tower, if he can climb it, exhausted and frail.