Natsume's Book of Friends Season 4 Episode 1 English Dubbed Episode Title: Natsume Captured Episode Description: Natsume encounters six monkey-mask wearing demons while out in a forest of the east of his high school. After his late grandmother's decades-old powerful Book of Friends, and start physically threatening him until Nyanko-Sensei arrives and drives them off. Later on, Natsume encounters the six demons again and is captured by them, and brought to their forest. Meanwhile, Madara learns some interesting things about the forest the monkey mask demons live in. Running away from the demons, Natsume and Nyanko-sensei are unintentionally saved by none other than the topmost exorcist Matoba Seji of the infamous Matoba clan. Upon discovering the hidden Matoba mansion in the Eastern Forest, Natsume is imprisoned in a cell without the schoolbag holding his late maternal grandmother's decades-old powerful Book of Friends. Madara leaves to retrieve it before Matoba discovers the strong and dangerous powers it possesses of giving its keeper complete and utter control over the hundreds of respective yokai whose false names are within its pages, as Natsume encounters Matoba Seiji once again who is pleased to see the grandchild of the notoriously powerful exorcist Natsume Reiko.