This anime is so good. I highly recommend people to watch this.
For me personally, I actually binge-watched seasons 1-4. I couldn’t stop. 
6th Natsume’s Book of Friends Anime Has 11 Episodes, 2 OVAs
posted on 2017-03-23 00:30 EDT
Series premieres on April 11
“Natsume Yujin-cho Roku” Promo Previews Footage, Opening Theme
March 26, 2017 9:03pm EDT
Sixth season premieres in Japan on April 11
“Natsume Yujin-cho” Season 6 Will Open with Special Program
April 03, 2017 1:25am CDT
New season starts on April 11, with interviews the week before.
Crunchyroll to Simulcast “Natsume Yujin-cho 6” Anime
April 11, 2017 12:00pm CDT
Latest season makes its debut today at 12:00pm Pacific Time
Natsume’s Book of Friends Roku’s 1st New OVA Previewed in Video
posted on 2017-09-07 08:20 EDT
6th season’s 4th, 5th home video releases to both bundle OVAs
Crunchyroll Streams Natsume’s Book of Friends Roku Anime’s 1st OVA
posted on 2017-10-08 02:45 EDT
1st of 2 planned OVAs for 6th season’s home video release shipped on September 27
Natsume’s Book of Friends Anime Gets Film in 2018
posted on 2017-10-08 02:55 EDT
Studio Shuka, voice actors Hiroshi Kamiya, Kazuhiko Inoue return for film
Natsume’s Book of Friends Roku Anime’s 2nd OVA Previewed in Video
posted on 2017-10-08 03:45 EDT
2nd OVA ships with final BD/DVD for 6th season on October 25
“Natsume Yujin-Cho” Celebrates 10th Anniversary with Special Website
January 01, 2018 7:15am CST
Anime adaptation of Yui Midorikawa’s supernatural shojo manga continues with theatrical film in 2018
“Natsume Yujin-cho” Engages Audiences with Third “Sound Theater”
January 06, 2018 3:51pm CST
BD release will be available later this spring
Crunchyroll Adds 2nd Natsume Yujin-cho 6 OVA
posted on 2018-02-02 16:00 EST
Now streaming
Natsume’s Book of Friends Anime Film Opens on September 29
posted on 2018-03-23 00:15 EDT by Rafael Antonio Pineda
Natsume’s Book of Friends Film Reveals Staff, Cast, Title
posted on 2018-03-23 11:00 EDT by Karen Ressler
Main cast returns for film with original story
Natsume’s Book of Friends Anime Film’s 1st Trailer Streamed
posted on 2018-03-25 04:22 EDT by Bayleigh Baker
Film to premiere on September 29 in Japan
Natsume’s Book of Friends Film Video Previews 3 Nyanko-sensei Cats
posted on 2018-05-23 12:15 EDT by Jennifer Sherman
Film with returning cast, staff opens on September 29
Natsume’s Book of Friends Film’s Trailer Previews Uru’s Theme Song
posted on 2018-07-12 02:06 EDT by Rafael Antonio Pineda
Kengo Kora, Sumi Shimamoto, Ayumu Murase guest star in September 29 film
Natsume’s Book of Friends Film Adds Comedy Duo ‘Viking’ to Guest Cast
posted on 2018-08-14 00:35 EDT by Rafael Antonio Pineda
Duo plays yōkai who have business with Natsume in September 29 film
Natsume’s Book of Friends Anime Film Previewed in Long Trailer
posted on 2018-09-14 04:00 EDT by Crystalyn Hodgkins
Film with original story opens in Japan on September 29
Natsume Yujin-cho the Movie: Ephemeral Bond to Have U.S. Premiere at Anime NYC
posted on 2018-09-22 14:06 EDT by Karen Ressler
Screening takes place on November 16
Natsume’s Book of Friends Anime Film Tops Weekend Box Office Chart in Japan
posted on 2018-10-01 04:15 EDT by Rafael Antonio Pineda
1st anime film based on Yuki Midorikawa’s manga opened on September 29
Natsume Yujin-cho the Movie: Ephemeral Bond Trailer 1