The Legend of Korra S04 E08 Remembrances

"Only the Avatar can master all four elements."

In a clip show episode, Mako, Korra, and Bolin recollect their past. Mako tells Wu about his romantic entanglements and eventual breakup with Asami and Korra. Korra talks to Asami about her confrontations with Amon, Unalaq, Vaatu, and Zaheer. Varrick presents Bolin's life to the Earth Empire refugees in the style of an action film in which Bolin defeats all of Korra's previous enemies.