Hikari's next Pokémon Contest is set to take place in DP123, Pokémon Contest! Tatsuami Convention!! 「ポケモンコンテスト！タツナミ大会!!」, which will air on April 16. Dawn and her Eteboth will enter a Contest in Tatsuami Town where they will meet a trainer with a Goriky. This information was reported five days ago when magazine scans leaked information on future events in the anime.
This is the ninth episode since Hikari's last Contest, where she defeated Urara and her Gabite to obtain her fourth ribbon.