Dragon Ball Z - episode 55 - 17 Jul, 1990

As Goku trains harder for Namek, Yamcha, Tien, and Chiaotzu complete King Kai's first test. Even Piccolo helps out on the second test. Back on Namek, Frieza's men are working to revive Vegeta, but he's still unconscious from his battle with Zarbon. Meanwhile, Krillin is still on his way back to Gohan and Bulma. (Source: Wikipedia)