Frieza Saga
Frieza Saga Dragon Ball Z
A lot of these fake rumors and things that are propagated by the fandom throughout the past 30 years or so of Dragonball.
There are tons and tons of lies and misinformation out there and sometimes mistranslation about the series, one that I think has to be close to the tippy-top involves when Toriyama was going to end the Dragon Ball story.