Light in the Dark

"Light in the Dark" is the fourteenth and final episode of Book Two: Spirits of The Legend of Korra, and the 26th episode of the overall series. It aired on Nick.com on November 16, 2013, and will air on Nickelodeon on November 22, 2013, with both instances alongside "Darkness Falls" as part of the Book Two season finale.

Overview
Korra may have found a way to defeat Vaatu once and for all, but at what cost?

Trivia

 * Tonraq is named chief of the Southern Water Tribe, which is now independent from the north.
 * After opening the portals, Avatar Korra chose not to close them, allowing spirits and humans to travel between the two planes.
 * Unalaq was defeated, dispersing Vaatu's power.
 * Korra and Mako have ended their relationship.