Gaatho, which means "The Knot" in Nepali, is a 2016 Nepali psychological thriller that was released in the cinemas of Nepal on 16 September 2016 with a UA certificate. The film was written and directed by Suraj Bhusal and produced by Tilak Bahadur Chhetri and Suraj Bhusal under the banner of Butwall Entertainment, with Nripendra Raj Joshi as the co producer. The movie is an art film of a different kind in the Nepali cinema, because it deals with the sensitive subject of the mental health, and it was distributed in the halls of the country by the F.D. Company.

The story of the film revolves around an artist who suffers from a bipolar disorder and a social phobia. The main character is played by the actor Najir Hussain, and the film shows the inner world of the artist, who lives with the pain of the mental illness in the society that does not understand his condition. The artist struggles to find the balance between his creative life and his illness, and the film presents the dark and the emotional journey of his mind through the beautiful and the disturbing images of his world. The knot of the title refers to the knot of the mind of the artist that he tries to untie throughout the story.

The cast of the film includes Najir Hussain, the actress Namrata Shrestha, Abhay Baral, Aruna Karki and Dhurba Koirala in the main roles. The cinematography of the movie was handled by Narendra Mainali, the editing was done by Nimesh Shrestha, and the music, the lyrics and the singing were all done by Anupam Sharma, with the background score composed by Jason Kunwar and the sound design by Uttam Neupane. Gaatho is remembered today as one of the rare Nepali films that deal with the subject of the mental illness in a serious way, and the full movie is available to watch freely on the YouTube platform for the viewers of the art cinema of Nepal.