BW079: Flaming Memories! Tepig VS Emboar!!
Airs: May 3rd.
Summary
"In Astilbe Town, Ash and his friends meet a boy called Suwama. He is the former Trainer of the Tepig Ash is currently raising and abandoned Tepig because he thought it had no talent for battles. To prove how useless Tepig is, Suwama challenges Satoshi to a double battle."