If you loved Dragon Ball Z: Cooler's Revenge, try Dragon Ball: Curse of the Blood Rubies
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
You already loved

Dragon Ball Z: Cooler's Revenge
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Dragon Ball: Curse of the Blood Rubies
What they share
Theysit in Action / Animation / Science Fiction territory. If that's the register that drew you to Dragon Ball Z: Cooler's Revenge, the second film will land in a comparable space — through a different lens.
What Dragon Ball: Curse of the Blood Rubies is
Here's a film that probably made sense to someone. A king wants the Dragon Balls so he can eat forever. Luckily, a brave young girl enlists Goku and friends to stop him. It's hard to argue with the purity of that goal.