Twenty years ago, the Super Saiyan form was the cream of the crop. Today, it barely scratches the surface of a Saiyan's power level possibilities.
The very first glimpse of Super Saiyan came during Lord Slug, but it wasn’t really a Super Saiyan transformation at all. Late into the film, Goku breaks beyond his limits to reach a new level of power ...
Although most of the main Saiyan cast can use each of the Super Saiyan forms, some are way better at it than others.