A trilogy is a set of three works of art that are connected, and that can be seen either as a single work or as three individual works. They are commonly found in literature, film, or video games. Three-part works that are considered components of a larger work also exist in visual arts and music, such as the triptych or the three-movement sonata, but they are not commonly referred to with the term "trilogy."

Most trilogies are works of fiction involving the same characters or setting, such as The Deptford Trilogy of novels by Robertson Davies, The Godfather films of Francis Ford Coppola, or "The Shiva Trilogy" by Amish Tripathi. Others are connected only by theme: for example, each film of Krzysztof Kieślowski's Three Colors trilogy explores one of the political ideals of the French Republic (liberty, equality, fraternity) and each novel in Paul Auster's The New York Trilogy uses formats from detective fiction to explore existential questions. Trilogies can also be connected in less obvious ways, such as The Nova Trilogy of novels by William S. Burroughs, each written using Brion Gysin's cut-up technique.

Occasionally, the term is applied to music, such as the Berlin Trilogy of David Bowie, linked together by their musical sound and lyrical themes, and the fact that part of them was recorded in Berlin, Germany.

Trilogies — and series in general — are common in science fiction and fantasy.

Read more about Trilogy:  History, Adding Works To An Existing Trilogy, Unofficial or Mistaken Trilogies, Other Numbered Series

Other articles related to "trilogy":

Moonlight Bay Trilogy
... The Moonlight Bay Trilogy is a proposed trilogy of three novels by Dean Koontz ... The books in the trilogy are Fear Nothing,(1998), ISBN 0-7472-5832-5 (Paperback), ISBN 0-553-10664-3 (Hardback) Seize the Night,(1999), ISBN 0-7472-5833-3 ...
Trilogy - Other Numbered Series
... works of art other than three are sometimes created by following the Greek etymology of "trilogy". 3 Trilogy 4 Tetralogy "Quadrilogy" (formed by mixing Latin (quad, "four") with Ancient Greek λόγος (logos, "speech", "account", "story")) has been used to describe certain film series ...
Road Movie Trilogy
... The Road Movie trilogy is a series of three road movies directed by German film director Wim Wenders in the mid-1970s ... The centerpiece of the trilogy, The Wrong Move was shot in colour whereas Alice in the Cities was in black and white 16 mm, and Kings of the Road was in black and white 35 mm film ...
Dimensions (Believer Album) - Track Listing
... Baddorf) - 455 "Trilogy of Knowledge Intro The Birth" - 217 (S ... Winters) "Trilogy of Knowledge Movement I The Lie" - 527 (S ... Winters) "Trilogy of Knowledge Movement II The Truth" - 646 (S ...
Eppu Nuotio - Career
... During 2003–2005 Nuotio published an epic novel trilogy about a girl who was born on the day Marilyn Monroe died ... The trilogy chronologically tells about the girl's childhood and teen age in the small Eastern Finnish town of Varkaus and finally about her troubled life in Helsinki in her forties ... During 2006–2008 Nuotio created a crime fiction novel trilogy about a young Finnish female journalist called Pii Marin who has to cope with racial slurs while working as the first TV-news anchor of ...