Dragon Ball Z Episode 47: Namek`s Defense
Episode 47 of 291 of Dragon Ball Z, aired May 9, 1990, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Namekian warriors fall under attack from Frieza's forces as the evil villain continues his earch for the fifth Dragon Ball. Dodoria, Frieza's red-faced henchman, leads the assault. Meanwhile, Goku continues his voyage to Namek in his space pod, where he finds plento of time to train for the coming battle.