Pokémon the Series: Sun & Moon Episode 139: Enter the Champion!
Episode 139 of 146 of Pokémon the Series: Sun & Moon, aired September 15, 2019, 25 minutes. Available with English subtitles and dub where released.
Episode summary
As the Alola Pokémon League races toward the finish line, Gladion and Zoroark unleash the Z-Move Never-Ending Nightmare against Pikachu. But Pikachu stops in its tracks to meet the threat head-on with Breakneck Blitz: a strategy that’s pure Ash! The clash of Z-Moves leaves both Pokémon unable to battle, and Ash and Gladion both respond by sending out their Lycanroc for the final stretch of the match. The two Lycanroc battle to new levels of intensity, ending with the first ever Alolan champion!