Showdown on King Kai's World! Goku vs. Beerus the Destroyer! Dragon Ball Super: Doragon bôru cho : Season 1 Episode 5

While Goku is training, Beerus shows up at Kaio's planet. Goku suggests that they fight against Kaio's wishes, but Goku is later beaten by Beerus as a Super Saiyan 3.