Dragon Ball Z Movie 05: Tobikkiri no Saikyou tai Saikyou

After defeating Frieza, Goku returns to Earth and embarks on a camping trip with Gohan and Krillin. However, their peaceful excursion is disrupted when Cooler, Frieza's brother, sends three henchmen to attack Goku. A fierce battle ensues, with Cooler emerging as a formidable opponent after transforming into the fourth stage of his evolution. Initially, Cooler holds the upper hand, but Goku's transformation into a Super Saiyan turns the tide of the fight, giving our heroes a decisive advantage.