In Book Two, the Spirit and Human worlds are colliding and Team Avatar must embark on a journey diving deep into the mythology of the mystical Spirit World, encountering creatures like nothing they've seen before, and discovering the truth about the very first Avatar!
| Title | Book Two: Spirits |
|---|---|
| Genres | Animation Action & Adventure Sci-Fi & Fantasy Drama |
| Air Date | 2013-09-13 |
| Episode Runtime | 00 Hours 23 Minutes |
| Season Number | 2 |
| Episode Count On Season 2 | 14 |
| Production Companies | Pierrot, Nickelodeon Animation Studio, Studio Mir |
