Dragon Ball Z - Season 2 Episode 19 -

Vegeta defeats Zarbon and gains what he thinks to be the last Dragon Ball. But on his way to summon the Eternal Dragon, he runs into Gohan, who (unbeknowst to Vegeta) is reutrning with the seventh Dragon Ball. Meanwhile, a furious Frieza sends for the Ginyu Force to help him recover the Dragon Balls.