Ash finally stops being a cartoon joke and becomes someone you actually care about losing. The animation isn't just pretty, it's doing the emotional work, every battle feels like it matters because the show spent 47 episodes making you believe these are real relationships. When it ends, you understand why it had to end, and that's the difference between a kids' show and something that breaks you a little.
Ash continues his journey through the Kalos region with Serena, Clemont and Bonnie after earning his seventh gym badge. On the way to the next town, Bonnie finds a strange Pokémon resting in her pouch, one that even the friends' Pokédex cannot identify, and it comes to be called Squishy. Team Flare, an organization in bright red suits, wants to capture the creature for its own agenda, and when the group sees how poorly Team Flare means to treat it, they choose to fight back. Ash pushes toward his last badge while Serena competes for her final Princess Key to reach the TriPokalon Master Class, as a scheme that could endanger all of Kalos draws in the friends and Team Rocket alike.