Dragon Ball Z Movie 05: Tobikkiri no Saikyou tai Saikyou

Gokuu Son and his friends are out camping when three mysterious enemies ambush them. After a quick fight, a fourth enemy named Cooler joins the fray. Seeking retribution for his younger brother Frieza after he was defeated, Cooler attacks Gokuu; however, the latter manages to escape with Gohan Son and goes into hiding. Unsatisfied and infuriated with the outcome, Cooler and his men begin the hunt to uncover Gokuu's location and kill him to carry out their plans of exacting revenge. After their battle with Frieza on Namek, Goku and Gohan have decided to take a little camping trip for much needed rest and relaxation back on Earth. But their peaceful weekend trip is soon interrupted by Cooler