Physical copies of that specific version are expensive. Streaming services usually host the "remastered" cut. Enter archive.org (The Internet Archive). It isn't just a library of old websites; it is one of the largest repositories of "out-of-print" media on the planet. You can find VHS rips, laser disc transfers, and—most importantly—the exact DVD rip of Fusion Reborn from 2006.
While Broly: The Legendary Super Saiyan gets all the love for raw power, Fusion Reborn is the complete package: Gogeta’s canonical debut, Super Saiyan 3 Gotenks vs. Hitler, and one of the most hauntingly beautiful final fights in the franchise. But in the modern era of subscription shuffling (is it on Crunchyroll? Hulu? Did Funimation lose the rights again?), finding the original English dub has become a treasure hunt. dragon ball z fusion reborn internet archive
And then there is .
Don't let the "remastered" version steal your childhood nostalgia. Go dig through the Archive. Physical copies of that specific version are expensive