In my opinion the Pokemon Anime has been on a downward slope ever since the conclusion of the Kanto series. And not even the mighty Mewtwo can save the movies/anime series. I'm sure many of us remember as a child when we first saw Mewtwo on the television series and its connections towards Pokemon the First Movie. We we're speechless because it was giving us a sneak peak at what was to come! I remember as a child: that I couldn't wait to see the movie. All these subtle hints and TV advertisements really helped hyped the release of Pokemon the First Movie. And honestly, [ Pokemon the First Movie was a great movie for its time--I still remember it to this day and all the fun I had with my friends.
Nowadays, the younger generation of Pokemon anime is really more of a cheap anime. Most Japanese, American, etc. stations can order Pokemon seasons for relatively cheap. Thus the quality of the anime has suffered. As an adult today with a career and plans of having children of my own one day, I can say that I would NEVER allow my children to watch the anime series/movies even as a punishment! The fact is, ever since the Kanto finale, the TV series failed to have moral principles: the show doesn't stand for or teach children any guiding rules; such as, hard work pays off, dedication to training, and of course the idea of "being the very best that no one ever was". Presently, Ash is just a loser who doesn't know when to call it quits. Ash is weaker than he ever was and there really is no need to insult this character anymore than they need to. Of course Pikachu is the star of the show, but a new Trainer is needed in order to guide the way for a new series.
However, some Pokemon aficionados have even gone to lengths to criticize the originality of the "new" generation(s) of Pokemon calling them "uninspiring" or "lacking in quality". This of course is a matter of opinion, but since I am sharing my opinion, I can say that there is some truth in this. Of course "some" Pokemon will always be much more "cooler" than other Pokemon (f.y.i legendary Pokemon), but even the other Pokemon due have fascinating Pokedexs behind them. Not really much to say about this.