Pokémon S15E09 - The Mighty Accelguard to the Rescue!

Finally at Driftveil City, Ash discovers that the gym is not currently open so Ash & Co. take a tour of the city offered by Charles. However, when they get to the market, they find a couple of thieves in disguise, only for them to be thwarted by the mysterious A☆celgor, who helps fight crime with his Accelgor. However, things start to turn when the evil Cyrogonal Man appears...