Pokémon the Series: Sun & Moon Episode 76: A Battle Hand-Off!
Episode 76 of 146 of Pokémon the Series: Sun & Moon, aired May 24, 2018, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Ash has been training hard, preparing for his rematch against Nanu on Ula’ula Island. But when he tells the kahuna he’s ready, Nanu has another idea. Team Rocket has just come looking for the Twerp so Mimikyu can try out its new Z-Move against Pikachu, so Nanu sends him out to battle them instead!