Pokemon Season 9 - Episode 438 – Curbing the Crimson Tide!

In a dark alley three kids come face to face with the mysterious "Red Lightning". One kid sends out his Poliwag only to have it beaten and scribbled on. Then, Ash and the others arrive in the same city. Nurse Joy tells them of Red Lightning and how he is unbeatable. While visiting a park, May's Squirtle runs off and is attacked by Red Lightning and is easily defeated. After following Red Lightning to a house on the top of a skyscraper, they find out it is just a Scizor that belongs to a little girl, however she has no plans to stop her little plan. Now Ash decides to stop her for good.