+A tetralogy refers to a unified set of four distinct works, often creative, designed to be presented or experienced as a cohesive whole. Each part, while complete, contributes to a larger [narrative](/wiki/narrative) or thematic exploration, building on the preceding parts like an extended [series](/wiki/series) of interconnected stories.
+## See also
+- [Trilogy](/wiki/trilogy)
+- [Duology](/wiki/duology)
+- [Pentalogy](/wiki/pentalogy)