Pokémon: Diamond and Pearl · Battle Dimension arc

DP089 · Up Close and Personable!

研究発表「湖の伝説」!

US air. 2009-01-10 JP air. 2008-08-14 Season. Diamond and Pearl: Battle Dimension (S11) Position. Episode 89 of 191 in Diamond & Pearl

Synopsis

What happens.

On the third day of Pokémon Summer Academy, the students are tasked with studying a Water Pokémon from the lake and presenting their findings.

Synopsis adapted from Bulbapedia's DP089 entry, used under CC-BY-NC-SA 2.5.

Story arc · DP053-DP104

Battle Dimension.

Continues the gym challenge; Dawn enters Sinnoh Contests. Team Galactic's plot escalates; Mt. Coronet research begins. Includes the Pokémon Origins-style Spear Pillar setup.

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.

More from this arc

Other episodes in Battle Dimension.

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.