Like many anime, Dragonball Z has more than it’s fair share of movies ranging from awesome to crap. Dead Zone is the first and takes place around the Saiyan saga. While most aren’t cannon, many fit well enough into cannon they can be said to be. Dead Zone is actually cannon and starts the story of Garlic Jr.
Goku and his family are hanging around, living there lives when Goku comes home from fishing one day to find Chi-chi knocked out and Gohan gone. he was taken hostage because of the Dragonball on his hat and because he fought back. Goku tracks him down with Krillin at his side only to find it’s a group of monstrous warriors lead by Garlic Jr, the son of an ancient enemy of Kami’s and by extension Piccolo who jumps in after getting attacked. Garlic Jr seems to be on the ropes until he transforms and unleashes the power of the Dead Zone which destroyed his father, but help comes from a unlikely force…
Dead Zone isn’t terrible but isn’t great. The action isn’t really special but the fight between Kami and Garlic Jr is pretty cool. The story is fairly basic and is a pretty quick watch. Gohan has a moment at the end, that does play a part in things to come later which is pretty cool. In the end, Dead Zone is fine and worth a watch for the hardcore DBZ fans. May the gaming gods bring you glory.
Savior Gaming 
It’s funny because I was watching dead zone not that long ago and I must say it’d aged well. I enjoyed it with my son lol
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