The BEST episodes written by Yukio Kaizawa
#1 - HOPE!! Redux: Awaken in the Present, Trunks
Dragon Ball Super - Season 4 - Episode 2
Goku Black taunts Future Trunks for failing to save his loved ones, provoking the youth to assume Super Saiyan form in a losing battle. But Future Trunks distracts Black with an energy attack long enough to reach the Time Capsule and escape 17 years into the past. Meanwhile in the present timeline, Trunks is studying in class along with the Pilaf Gang, who were allowed to live in Capsule Corp. During recess, Trunks witnesses the Time Capsule arriving with Future Trunks inside. He immediately calls for his mother, who contacts Vegeta and Goku while Trunks and the Pilaf Gang are confused by the stranger having both Trunks's face and name. Bulma asks Trunks to power up in order for Goku to be able to teleport himself and Vegeta to their location, Whis and Beerus joining in to see what's going on. Vegeta asks Goku to get some Senzu beans. Goku goes to Korin's place to get some Senzu beans. Future Trunks regains consciousness, and attacks Goku upon assuming him to be Black.
#2 - A Message From the Future - The Incursion of Goku Black!
Dragon Ball Super - Season 4 - Episode 3
Goku holds Future Trunks off long enough for Bulma to calm him down, Future Trunks is formally introduced to everyone present while being informed of the events that occurred since the Cell incident. Future Trunks reveals after he prevented the revival of the Majin Buu of his timeline, Goku Black appeared and massacred most of humanity with only him and few remaining people fighting him in a losing battle. Bulma deduces that Future Trunks came back in time to get reinforcements while fighting a journal her future self hid in the Time Capsule, Goku and Vegeta both intrigued while Beerus and Whis are astonished that humans are bold enough to mess with the affairs of time-space. Back in the alternate future, Black realizes Trunks traveled back in time as he uses his ring to open a tear in time to reaches the present as Future Trunks finished his spar with Super Saiyan 3 Goku to determine each other's power.
#3 - SOS from the Future: A Dark New Enemy Appears!
Dragon Ball Super - Season 4 - Episode 1
In the timeline of Future Trunks, a new enemy appears that requires him to return to the past and get help from the Z-Fighters.
#4 - He Who is of Saiyan Blood: Trunks's Resolve
Dragon Ball Super - Season 4 - Episode 8
While Bulma and her team put the finishing touches to the rebuilt Time Machine, Vegeta decides to test Future Trunks' power to see how strong his son had become and overpowers him in Super Saiyan Blue form. Vegeta becomes with Future Trunks being content with him and Goku being strong enough to defeat Goku Black, telling his son that Saiyans should continually strive to grow stronger to always prepare for an enemy. On Beerus' planet, Beerus and Whis are about to eat dinner when Zeno contacts them with a request to see Goku. In the Tenth Universe, Gowasu attempts to have Zamasu reconsider his views on mortals by temporary promoting him to Supreme Kai and use a Time Ring to observe the progress of a new race on Planet Babari within a millennia's time.
#5 - Uncover Black's Identity! Off to the 10th Universe's World of the Kai!
Dragon Ball Super - Season 4 - Episode 7
Goku, Beerus, and Whis arrive on the Tenth Universe's World of the Kai where they meet the resident Supreme Kai Gowasu and his apprentice Zamasu, who expresses a disdain for mortals. A excited Goku challenges Zamasu to a sparring match, the Kai objects until Gowasu allows it with Beerus advising him to not hold back. Zamasu is baffled to fight him outmatched against Goku while Beerus and Whis note the similarity of his energy to Goku Black despite having no recollection of meeting Goku and none of the Time Rings in Gowasu's possession are missing. Goku, Beerus, and Whis return to their universe, unaware their actions only strengthened Zamasu's ideal. On Earth, Krillin introduces Future Trunks to his family, with Android 18 teasing Trunks due to his history with her alternate future self.
#6 - Goku vs. Black! A Closed-Off Road to the Future
Dragon Ball Super - Season 4 - Episode 4
Goku Black arrives in the past, expressing an interest in fighting Goku and is able to hold his own against his Super Saiyan form while Future Trunks wonders why Goku is holding back. The fight continue until the time distortion caused by the Time Capsule begins to fade, weakening the time tear as Black is being dragged back to the future. But he destroys the Time Machine as his final act in the present, Whis revealing Black used a Time Ring that only Supreme Kais possess. But he and Beerus are astonished when Bulma reveals that she kept the other version of Time Machine that Cell used to travel back in time, intending to use her future self's journal to repair it. Just as Black reappears in the future timeline, Future Mai regains consciousness.
#7 - Feelings That Transcend Time: Trunks and Mai
Dragon Ball Super - Season 4 - Episode 5
While Future Trunks is waiting for Bulma to finish the repairs on the Time Capsule, Goku heads off to King Kai's planet to train after Beerus and Whis refused while both being curious about the sense of familiarity from Goku Black's energy. Future Trunks then notices Mai and recognizes her as the past version of the Mai he knew, revealing how Future Mai was a leader of Earth's resistance movement who died fighting to protect the planet. He also mentions Black's ultimate goal is eliminating everything he considers a inferior being. Meanwhile, excited from facing Goku, Black seeks to fight him again to become more accustomed to his body.
#8 - Turn Your Anger into Strength! Vegeta's Full-Bore Battle
Dragon Ball Super - Season 3 - Episode 8
Vegeta must find the strength in him to defeat the Frieza-like creature, Frost. Champa also introduces a new rule, much to the dislike of Beerus.
#9 - Goku vs. the Duplicate Vegeta! Which One is Going to Win?
Dragon Ball Super - Season 3 - Episode 19
Goku and Clone Vegeta's battle begins, but Goku only has a few minutes to defeat the clone before Vegeta will disappear and die. Trunks and Goten do their best to weaken the clone at the source.
#10 - Master and Pupil Reunited! Gohan and Future Trunks!
Dragon Ball Super - Season 4 - Episode 6
While Bulma and her team are still repairing the Time Machine, Future Trunks finds Piccolo and Krillin mending the damages in the wake of Goku's fight with Goku Black. Future Trunks learns from Piccolo that Gohan had become a scholar and is convinced to properly thank Gohan for his alternate self teaching him to fight. Future Trunks meets Gohan at the university before being invited to Gohan's house for dinner, the experience renewing his resolve to stop Goku Black. Future Trunks returns to the Capsule Corporation, learning that Goku, Beerus, and Whis have left to another universe to investigate the mystery behind Black's energy signature.