In the latest promo for Pokémon the Series: Sun & Moon, Ash and Pikachu are shown venturing out to Akala Island with several Trial Captains and a bunch of other characters. You can check it out in the video below. This episode is scheduled to air in Japan on June 22. Meanwhile, a three-hour special will take place in the U.S. on July 1 via Disney XD. A total of six episodes will be shown during this period.
Ash and Pikachu head to Akala Island with Alola captains in Pokémon the Series: Sun & Moon
Pokémon Blog 