In it, Ash and Iris go to the battle club, and ash is challenged to a battle, but is interrupted by some guy saying that someone broke into the storage sheds. They then go and watch a video of a shadow running out of the building, followed by Team Rocket.
Ash has the rewind the video, and says that he thinks the shadow was Umbreon, and they all go looking for it. While discussing Umbreon, Team Rocket was eavesdropping, and they decide to trick them by dressing Meowth up as Umbreon, and he leads the staff of the battle club on a chase around the area. While the staff is chasing Meowth, Ash and Iris are guarding the area, and Ash sees a Tepig and chases it. When he catches it, he notices it has a string around his mouth. So, Ash calms it down and removes it. When they meet up with the staff, they discuss seeing Meowth, when Team Rocket appears and kidnaps Oshawatt and Pikachu. When this happens, Tepig uses Ember on them, and they fly away. After all this, Iris wants to catch Tepig, but it chooses Ash. The episode ends with Ash getting his new Tepig, and Team Rocket being told to go to Striaton City to get a new mission.