13 episodesFirst aired 5 July 2011
Natsume's Book of Friends Season 3 follows Takashi Natsume, a boy who is able to see youkai. Natsume and his bodyguard Madara, nicknamed Nyanko-sensei, continue on their quest to release youkai from their contracts in the "Book of Friends." Natsume comes to terms with his ability to see youkai and stops thinking of it as a curse. As he spends more time with his human and youkai friends, he realizes how much he values them both and decides he doesn't have to choose between the spirit and human worlds to be happy.
E1Jul 201124m
One day, Natsume finds a yokai named Kagejawan running around near his home, which he soon learns means disaster is about to strike.
E2Jul 201124m
Natsume is accosted by a spirit who asks for her brother's name back. She says that both of them have come from the village of floating spring, a paradise sealed off from the land of men. Meanwhile, the local Youkai are happy that the local priest is no longer in his temple. Natsume worries for his friend Tanuma, the priest's son, but isn't sure what to say...
E3Jul 201124m
Natsume is approached by someone he knew from elementary school. He wants nothing to do with them, but they threaten to reveal his secret: that he can see Youkai, if he doesn't come along with them. He reluctantly goes with them, and is taken to meet a strange girl...
E4Jul 201124m
Midterms are over, and Natsume leaves on a trip with Nishimura, Kitamoto, and Sasada. He realizes that the scenery he's viewing from the train is from one of the places he grew up in, when he was passed around from one family to the next. He'd thought he didn't have any good memories of the time, but then he remembers what happened when he lived there...
E5Aug 201124m
Natsume helps clean the stoeroom at Taki's house with Tanuma. He realizes that one of the kimonos that her grandfather, who researched youkai, used to ward off demons was missing, but decides not to tell them so they won't be scared. But that kimono was an old doll youkai, who was trying to recover its body which was torn apart when her grandfather sealed it
E6Aug 201124m
There is something killing Youkai and draining them of their blood. Natsume can't help but investigate and runs into old friends.
E7Aug 201124m
Natsume finds out who's been stealing the youkai blood: the exorcist Matoba Seiji. He investigates with the help of Natori, but is captured by Matoba's servant youkai. Matoba is willing to sacrifice any number of youkai for his own ambitions. He tells Natsume why he's gathering blood: to release the seal on a powerful youkai. Natsume learns that there are people who treat Youkai in a totally different way than he or even Natori.
E8Aug 201124m
Natsume is invited to go to a pottery classroom with Shigeru. It's being held in an inn where he once stayed. When he goes there, he meets an old friend: the young fox child he once saved.
E9Aug 201124m
Without Sensei to protect him, Natsume has to remain constantly on guard. But the pressure of keeping secrets from his friends is causing Natsume to break.
E10Sept 201124m
After a brief incident in the forest, Tanuma has become distant to Natsume like he is avoiding something. In the meantime, there is something breaking glass around the school.
E11Sept 201124m
Tanuma is experiencing how Natsume lives every day. While Natsume and the youkai gain an understanding.
E12Sept 201124m
A youkai from Natsume past has found him and memories of living with relatives before the Fujiwaras are explored.
E13Sept 201124m
The youkai hold a party to celebrate Natsume. Things get out of hand when they ask Natsume for a human game, and he suggests Shadow Tag. When Nyanko-sensei becomes "it", he starts stomping youkai left and right. And then Misuzu-sama, the 100 foot tall youkai, shows up...
