Dragon Ball Z: Light of Hope (2017)

With Goku, Vegeta, and the other Z Warriors dead, the merciless Androids #17 and #18 are burning the world to ash. It is up to Gohan and Trunks to save the future timeline. To accomplish this, Gohan must find a way to mentor the young Trunks and teach him to find strength in his heartache. Meaning the apprentice must grow up painfully fast to save every human life possible. While they battle, Bulma is working to create a time machine and a cure to prevent Goku from dying in the past timeline. Even if they can't change the future, they can give hope to the past. A boy must lose his childhood. A grieving son must act as a father. A widowed wife must conquer time. Through the darkness of loss, can this family find a Light of Hope?