Haha yeah...I did like the fact that Raphie was the only one who had his grappling hook, and then he was all like, "WHAT IS WRONG WITH YOU PEOPLE??? You're mutant ninja turtles and you didn't bring your grappling hooks?!!!" ^^ Made me laugh.
Leo's voice sucks. Towards the end I got so sick of hearing it that I tried pretending it was still Jason Biggs; like after each sentence, I'd imagine Biggs saying it instead of Seth Green. Leo just seems like a totally different person because of that stupid voice change DX<
As for the whole "psychic powers" thing with April, I thought it was an interesting concept. I mean, this episode didn't bother me as much as the ending to the mom-thing episode. She's got telepathic powers, so alright, I'll deal with this psychic-link thing. But they just completely glossed over the fact that she killed a Kraang-mutant-mom-thing with a single scream.
I do kind of get the sense that they're making up April's powers as they go...it's kind of a sloppy list of abilities, if you ask me, but y'know, at least they're exploring them...
I guess...
But I agree with you on one thing: I liked April better when she wasn't the center of the universe.