The Legend of Korra (2012)

S03E04 In Harm's Way

Lord Zuko, Tonraq, Desna, and Eska race against time to stop Zaheer from liberating P'Li, the final prisoner. Meanwhile, Korra learns that the Earth Queen is coercing all the airbenders in Ba Sing Se to enlist in her military forces. In response, Team Avatar hatches a strategy to rescue the airbenders from the queen's grasp.