I thought the that beginnings parts 1 and 2 were perhaps the two greatest episodes in the canon of Avatar. The explanation into the history of the Avatar was fantastic, as well as the change in animation style which accompanied it. The two episodes succinctly explained everything that we needed to know: about the beginning of the Avatar, about the beginning of bending, about the lion turtles, about the spirits... perfect episode.
For any fans of the original Avatar series - even if you aren't a fan of Korra (though you should be) - these two episodes are a must watch for the reasons outlined above.
For any fans of the original Avatar series - even if you aren't a fan of Korra (though you should be) - these two episodes are a must watch for the reasons outlined above.