The Order delve into Episode 3 and 4 of Legend of Korra.

Episode 3:

Team Avatar arrives in Ba Sing Se to recruit new airbenders, but discovers that the Earth Queen, Hou-Ting, has been capturing them to create her own army.

Episode 4:

After learning the Earth Queen is holding airbenders captive, Korra's team investigates with Jinora's spiritual projection and is joined by Lin Beifong.