The Ultra Beast Pheroache has appeared! It appears it is gathering Z-Crystals, as it is attacking Trainers one by one and stealing their Z-Crystals... It's time for the Ultra Guardians to dispatch!
A mysterious shadow swoops down on Island King Hala... and the identity of this shadow that stole his Z-Crystals before running off was the Ultra Beast Pheroache! It's time for the Ultra Guardians to dispatch!! Pheroache also ends up stealing the Rocket Gang's Z-Crystals. However, Nyarth from the Rocket Gang ends up falling in love with Pheroache... so pay attention to what will happen with Nyarth's love for it!
In addition, Hiroki, the character played by Abareru-kun, appears in this episode! See if you can find him!