Dragon Ball Super Episode 21 English Dubbed Episode Title:The Start of Vengeance! The Frieza Force's Malice Strikes Gohan!.Episode Description:Frieza and his army arrive on Earth, where Gohan, Piccolo, Krillin, Master Roshi, Tien, and Jaco have gathered to hold out until Goku and Vegeta return. Frieza says that he has waited a long time to have his revenge and that he wishes to face Goku. Seeing as how Goku is not present to help, Frieza orders his army to attack the Earthlings. His army proves to be no match for the fighters even for Krillin, who had given up fighting...