I... I actually think this might be my favorite XY episode yet.
Clemont was great here. I wasn't expecting him to have such a prominent role but, once again, he really brought an episode up. He is definitely the strongest cast member. I wish he or Serena had battled Allie instead of Ash, but eh, whatever.
Allie was an entertaining COTD with fun quirks. Despite the Charge Beam spam it was nice to see Furfrou battling, and the attention to detail that made it a Trim Furfrou instead of just a regular one was nice.
The artwork really looked on-point today; it seems like it's making a pretty steady improvement, even if next episode is going to have some issues.
Team Rocket were really tacked on again... but, it was much, much better than last week. The "boss fantasy", if that's how they're going to be done in XY, I can definitely live with that. This is how boss fantasies should be done - not stupid nonsense like "what if we caught this Snorlax so the boss could sleep on it" but actually keeping their mission in mind. Also, I still want them to be more than this, but just taking this one episode by itself, I thought the little gag at the end with the flute was actually pretty funny. It felt like actual humor much more than "we scream and make silly faces," which has been about the entire extent of their role in XY to this point. I don't want them to stagnate in little brief gag roles like this, but this episode was at least a step in the right direction.
The plot did a good job of incorporating game events in a creative way. It could have just been a boring "Furfrou ran off, we need to find it and stop Team Rocket from stealing it" filler, but it took some risks and came out better for it.