Following Beerus’s destruction of the present-timeline Zamasu, the God of Destruction confidently asserts that the future has been saved. However, Future Trunks remains skeptical, prompting Goku, Vegeta, and Bulma to accompany him back to his timeline to verify the state of the world.
Dragon Ball Super - Episode #60 - Discussion Thread! : r/dbz
, titled "Back to the Future: Goku Black's Identity Revealed!!," originally aired in Japan on October 2, 2016 , and in the United States on April 21, 2018. This pivotal episode of the "Future" Trunks Saga provides critical exposition on the series' complex timeline mechanics and delivers the long-awaited revelation of Goku Black's origin. Plot Summary
