Dragon Ball F

''Dragon Ball F is an original work by Gozon. It mainly follows the Dragon Ball timeline, except for the Super Saiyan transformations. The form called "False Super Saiyan" is the main form of Super Saiyan. This starts in the middle of the Frieza Saga as Goku arrives to meet Frieza.''

Frieza Saga
Things looked bleak for the remaining Z fighters. Goku had yet to recover from the damage he received from Captain Ginyu. Vegeta was powerless against the wrath of Frieza in his final form, and Gohan and Krillin were powerless to do anything about it.

"Good night, sweet prince," Frieza mocked as he was about to give the finishing blow to the damaged Vegeta.