Pokémon the Series: Sun & Moon · Sun & Moon Ultra Adventures arc

SM089 · The Prism Between Light and Darkness!

光と闇のプリズム、その名はネクロズマ!!

US air. 2019-02-02 JP air. 2018-09-06 Season. Sun & Moon: Ultra Adventures (S21) Position. Episode 89 of 146 in Sun & Moon

Synopsis

What happens.

Lunala recovers due to the light generated by Ash, Lana, Kiawe, and Gladion's Z-Rings, but it thrashes around, wanting to go help Nebby. The Ultra Guardians are determined to go with Lunala.

Synopsis adapted from Bulbapedia's SM089 entry, used under CC-BY-NC-SA 2.5.

Story arc · SM044-SM092

Sun & Moon Ultra Adventures.

Ultra Beasts arc. The Aether Foundation's plot deepens; Lusamine's Nihilego possession arc lands. Ash captures Lycanroc and Naganadel.

Read the full Sun & Moon guide

Pokémon featured · 20

Who appears.

Linked entries open the species page on the Pokédex. Items without a sprite (alternate forms, regional variants, generic group references) fall back to a name pill.

More from this arc

Other episodes in Sun & Moon Ultra Adventures.

Episode synopsis from Bulbapedia, CC-BY-NC-SA 2.5. Editorial context (arc affiliation, cultural moments, character signatures) hand-verified May 2026. Pokémon, character names, and series titles © Nintendo, Game Freak, Creatures Inc., The Pokémon Company, OLM Inc. This is an unofficial fan reference.