Dragon Ball may have popularized power levels in anime, but they had existed in works that predate the legendary anime by decades.
The 1980s were a fertile era for anime, sometimes referred to as the medium's "Golden Age". This was the era of films like Akira, Nausicaa of the Valley of the Wind, and Barefoot Gen. In terms of TV, ...
However, this is meant as an all new story, rather than as a re-animated version of the first Dragon Ball anime. The interesting thing here is that Akira Toriyama is more involved in this new ...