Pokémon: Diamond and Pearl · Galactic Battles arc

DP138 · Strategy Begins at Home!

Name: Strategy Begins at Home!
Released: 2010-01-02

ヒカリVSママ！親子対決！！

US air. 2010-01-02 JP air. 2009-08-13 Season. Diamond and Pearl: Galactic Battles (S12) Position. Episode 138 of 191 in Diamond & Pearl

Synopsis

What happens.

Ash and his friends return to Twinleaf Town as Dawn and Piplup take the lead, clearly excited to be back home. As they walk, Brock enjoys the quiet atmosphere, reminding Ash of his hometown.

Synopsis adapted from Bulbapedia's DP138 entry, used under CC-BY-NC-SA 2.5.

Story arc · DP105-DP157

Galactic Battles.

Team Galactic captures the Lake Guardians (Uxie, Mesprit, Azelf). Cyrus tries to remake reality. Climax features Champion Cynthia confronting Cyrus in person.

Read the full Diamond & Pearl 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.

Other episodes in Galactic Battles.

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.