So I saw this today, and honestly it wasnt that bad. I was impressed with the casting, all the main characters pulled off their roles quite accurately (although I was pissed that Zuku's uncle wasn't a cherubic fat guy) However it was more a cgfest recap of the series, there was absolutely no character development, if you havent seen the cartoon then I doubt you'll remember why anything in the movie even happened much less a characters name. On that note the visuals were amazing, the acting on a whole was mildly ridiculous, they made the elemental bending techs look more like silly dances than interactions with their respective element.
Also momo was called by name once...