Honestly it was enjoyable but to me completely misses the point of book 1's journey.

Did Aang learn waterbending? No. Did Katara try to/struggle with teaching him while she was learning herself? No. Was Katara the strong female lead she was in the show? Basically the heart of the show? No.

Also I find the acting subpar. The more cold-ish faces clashing with experienced actors that embrace the goofiness is meh...