The final fight between the giant threat Dark king... Bardock, Goku, Gohan... All different timelines fight as 1... to defeat the massive threat

Bardock: "Give him everything you have!!!"

Bardock goes Super Saiyan 4

Goku: "Right, let's do this!"

Goku goes Mui

Gohan: "We will protect all of time and the future!"

Gohan goes Super Saiyan 2