After defeating Vegeta, Zarbon returns to Frieza's spaceship. There, Frieza becomes enraged that Zarbon did not bring back Vegeta, who knows the location of a hidden Dragon Ball. Zarbon is sent out to retrieve Vegeta and put him the Medical Machine in order to heal him, so that they may get the information on the location of the Dragon Ball.
"I'll heal...I've come back from even worse"
"Must focus...must concentrate on the battle that awaits...and on those who must be overcome"