Unlikely Alliance is a battle during the SAIYANS saga. Goku and Piccolo team up to defeat Raditz, who has kidnapped Gohan.
Raditz struck Goku down with a knee to the stomach and took Gohan. Soon after, to everybody's shock, Piccolo arrives with a proposition!
Realizing that alone, they both have no chance up against the powerful alien, Goku and Piccolo decide to fight together against Raditz to save Gohan.