New spoilers for "Dragon Ball Super" episode 57 will feature a team-up between Zamasu and Goku Black. In the previous episode, it was revealed that the two have allied with each other for an obscure reason.

'Dragon Ball Super' Episode 56 Recap

The 56th episode of "Dragon Ball Super," which aired on Aug. 28, Sunday, saw Son Goku, Vegeta and Future Trunks touching base in the alternate timeline after the Time Machine has been repaired.

Shortly after arriving, Son Goku was suddenly attacked by individuals from Earth's Resistance. Future Trunks then used his sword to cut the missiles fired at Son Goku and informed them to stop as the latter is not Goku Black.

The three Saiyans then prepared to have a battle with Goku Black. Vegeta, who was in his Super Saiyan God Super Saiyan form, was seen battling the latter before he transformed into Super Saiyan Rose.

The episode ended with Son Goku thumped to the ground by Goku Black's one hard blow. As soon as the latter begun charging a Black Kamehameha, he was interrupted by the arrival of Zamasu.

'Dragon Ball Super' Episode 57 Spoilers

Zamasu, who is noted to have similar Ki to Goku Black, seems to be in control of the mysterious warrior, stopping him from attacking Son Goku. Interestingly, the rouge Kai reminded Goku Black of his promise to allow him to kill Son Goku.

"Hey, this is Goku! Wow! We have to fight Zamasu, who's in cahoots with Black?" the translation for the next episode reads, as noted by International Business Times. "Better brace ourselves or this could get ugly. Let's go, Trunks! What? The attacks do not have any effect on Zamasu? Next time on 'Dragon Ball Super': 'Advent of the Immortal God, Zamasu'. Don't miss it!"

It is believed that the upcoming episode will mostly follow the history of Zamasu. Other reports claimed that it will also reveal the reason why Zamasu and Goku Black have allied with each other.

According to Dragon Ball Wikia, the upcoming episode will feature an intense battle between Super Saiyan God Super Saiyan Son Goku and Super Saiyan 2 Future Trunks against Super Saiyan Rose Goku Black and Zamasu.

"Dragon Ball Super" episode 57 is scheduled to air on Sept. 4, Sunday, at 9 AM (EDT) on Fuji TV.