Well technically it could still be a mirror verse. Regardless I'm just glad that there's some acknowledgement of the past though I'd be even more happy if Ash mentioned them as past companions.
That...was a rather weird episode. To be honest, when the concert started, at first, I thought something was wrong with the sound quality of the video, but then I realized Dugtrio was singing. What the heck? (Sorry, DJ Dugleo, but I'm afraid this is one concert I'm not attending myself.) Kiawe was the highlight of the first part of the episode, though--from his giving in to wearing the wig at the behest of his sister's puppy dog eyes, to his completely over-the-top reaction to the concert.
I was able to identify Brock's wig and Misty's wig, and was that green one Wally? The rest looked really familiar, but I couldn't place them.
Meowth, keep your day job. Rapping is not your forte.
Wait a minute, wasn't that wig next to Brock, Conway's hair from DP, Dawn's friend??
One thing I found surprising about this episode was that they used the anime's version of the XY Gym Battle theme during the search montage for the missing Dugtrio. Just how much XY music have they carried over to SM? From what I've heard so far, they've carried over Laverre City's theme, Snowbelle City's theme, and maybe other XY music that I don't know their names.