Welcome to Republic City

Writers: Michael Dante DiMartino, Bryan Konietzko

"Welcome to Republic City" is the first episode of The Last Airbender: Legend of Korra.

Overview
Although very little detail has been released, what is known is that at some point in this episode, there is a flashback to the Order of the White Lotus traveling to the Southern Water Tribe and discovering Korra as the next Avatar.