Ep. 101: Ash and Pikachu encounter a parallel dimension where Dia and Zeraora battle Guzzlord in Hau'oli City.
Aired on December 16, 2018

101
Ash and Pikachu arrive at the Pokémon School in a parallel dimension. Dia and Zeraora are fighting Guzzlord, which caused destruction in this version of Hau'oli City. Initially resistant to help, they eventually agree to combine their attacks with Ash. This joint effort aims to defeat Guzzlord and send it back through an Ultra Wormhole.
Episodes
- Ep. 97 · Ash battles Hau after completing the Grand Trial and loses due to an accident.
- Ep. 98 · Rotom disrupts filming and gets cast, while Eevee feels lonely after playing with friends.
- Ep. 99 · Eevee arrives in Alola and seeks companionship amidst a chaotic chase involving local Pokémon and Team Skull.
- Ep. 100 · Ash and Pikachu enter Guzzlord's ruined world after an electric battle with Tapu Koko
- Ep. 101 · Ash and Pikachu encounter a parallel dimension where Dia and Zeraora battle Guzzlord in Hau'oli City.
- Ep. 102 · Ash's friends visit Alola while Team Rocket attempts a new theft scheme
- Ep. 103 · The group visits Akala Island for Brock to meet Kahuna Olivia, leading to an interrupted battle with Team Rocket.
- Ep. 104 · Ash travels to Poni Island for research and seeks an Island Kahuna after Hapu mistakenly accuses him of theft.
- Ep. 105 · Ash Challenges Gladion to a Lycanroc Battle on Poni Island