If you weren't looking for the Namek Saga, you might be thinking of:
Gohan manages to find the Four-Star Dragon Ball that Vegeta had previously hidden underwater. Dragon Ball Z Episode 58
A popular fan parody covering the events of the Cell Games , featuring a humorous take on Mr. Satan (Hercule) and his "fight" against Cell. If you weren't looking for the Namek Saga,
Are you interested in a deeper look at the themselves, or Zarbon and Dodoria
The core tension of this episode revolves around growing impatience. Having lost his top lieutenants, Zarbon and Dodoria, Frieza summons his most powerful reinforcements: the Ginyu Force .
In a display of his ruthless nature, Frieza kills one of his own henchmen, Namole, simply because he is "no longer needed" once the Ginyu Force is en route.