Dragon Ball Super and the series' non-canon spin-offs and video games have had a lot of fun making Bardock stronger with various transformations.
The few ancient Saiyans Dragon Ball has introduced are shockingly strong, with Power Levels far above what Goku & Vegeta were capable of in DBZ.
Many of Dragon Ball's most epic battles, attacks, and forms happen outside of canon, and they may never be integrated into the official story.
Dragon Ball has established a robust world over the course of four decades, the likes of which are occasionally prone to puzzling lore and ret-cons ...
The threat of Majin Buu has passed, and Goku and friends are all living in peace. Then there appears Beerus, the God of Destruction. The story finally moves beyond the universe, into a new phase!