Alright, I just watched about 15 minutes of the first episode.
I hate to say it, but I found it to be awful.
The plot was generic "training rookies to fight arrogant big bad that always looses."
Many of the characters were downright irritating, and those that weren't felt bland and boring. The voices were...okay? Most of them seemed appropriate, but a few really got on my nerves. The humor seemed sort of dry, and wasn't really all that funny. It really all just seemed generic and boring, nothing really interesting happened (despite a lot actually happening in that short amount of time). Spyro was downright annoying, and frankly just seemed like a generic teenager to me.
The animation was FOR THE MOST PART good, but the speaking wasn't well animated. Most of the time that characters were speaking, the mouths didn't move enough to make it actually look like they were capable of producing the voices they did. Eruptor, based on the animation alone, looked like he should sound really muffled, just because his lips didn't enunciate anything.
Frankly, as someone with no previous interest in Skylanders, I hated it. It felt boring and stale, and even the production quality was with flaws. The background music is the only part I can say I enjoyed. I do not plan to be watching this again.