post any random Mario thought on your mind

True, true. It works in videogames, but a televised series? Not really.

Unless it's like shorts or something like that

I don't like how the story with the Paper Goomba in Mario and Luigi: Paper Jam got aborted with no conclusion. He blows the cover of Mario, Luigi, and Paper Mario and just runs off to wherever with no mention of his fate afterward. It really could have used an expansion, for example after he rats out our heroes he seems to go back to Bowser's side, only to suddenly switch back to aid the heroes at a critical point, and then keep switching sides over and over again until the climax, followed by a conclusion. I just think he had so much potential. He really could have been the first real instance of a morally ambiguous/grey character in a Mario game.