Korra delves into the first Avatar's past and realizes what she must do in order to restore balance between the physical and spirit worlds.
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When President Raiko is attacked, Bolin saves the day.
Korra and company attempt to close the spirit portals before Harmonic Convergence.
The votes are in: SpongeBob and his fave sea-shell network are the most LOL-worthy!
The battle is BACK and this time it's in Bikini Bottom!