What does episode mean?
An episode is a distinct event or a short, self-contained portion of a larger whole. Its most familiar modern use is for a single installment of a serialized television show, radio program, or podcast — one unit in an ongoing narrative that viewers can watch or hear on its own. Beyond entertainment, the word describes any discrete incident or limited period within a longer span: an episode of illness, a turbulent episode in a nation's history, or an embarrassing episode at a dinner party. The word carries a sense of boundedness; whatever it names has a beginning and an end within something larger and more continuous. Derived from Greek roots meaning 'coming in besides' — originally referring to the actor dialogue that intervened between the songs of a chorus in classical Greek drama — it entered English via Latin in the early seventeenth century, first as a literary term before broadening into everyday speech. Today it is a versatile, register-neutral noun equally at home in TV guides, medical charts, and history books.
nounA single event or a short distinct period of events in someone's life or in history. Also, one part of a serialized story, radio or television program, or podcast, broadcast as one of a series.
- One of a series of installments of a television, radio, or podcast program.
- An individual event or short sequence of events occurring in a life, illness, or historical period.
- (Literary, originally Greek drama) A section of a play between choral odes.
"The documentary's final episode aired last night to record audiences."
"She binge-watched the entire first season, finishing the final episode at three in the morning."
"He suffered a brief episode of dizziness before recovering completely."
Regular plural; used freely across all senses, from broadcast installments ('ten new episodes') to recurring life or medical events ('repeated episodes of asthma').
"The streaming service released all eight episodes at once."
Before it meant anything on TV, 'episode' was a Greek theater term for what came between two choral songs — the actors' scenes sandwiched between the singing.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of episode
Episode derives from the Greek epeisodion, meaning 'the part coming in besides,' from epi- ('in addition') and eisodos ('entrance, coming in'). In ancient Greek drama it denoted the sections of dialogue between the choral odes. The word passed through Latin episodium into English in the early seventeenth century, where it first retained its literary sense before expanding to mean any incidental event and, by the twentieth century, a broadcast installment.
Related word forms
How episode is actually used
'Episode' is neutral in register and appears in both formal and informal contexts. In medical writing it often refers to a discrete occurrence of symptoms (as in 'an episode of psychosis'), and in psychology or psychiatry this use is standard. The television sense is so dominant today that it frequently needs no qualifier.
Easily confused with episode
An 'episode' is a single event or installment within a series, whereas an 'epoch' is an extended period of time marked by distinctive developments.