Definition of: episode

(ep′ə·sōd) noun
1. An incident or story in a literary work, separable from, yet related to it.
2. A notable incident or action occurring as a break in the regular course of events.
3. An intermediate passage in a musical composition whereby the development of the subject is for a time suspended for the sake of variety and relief.
4. A portion of a Greek tragedy occurring between two choric songs. See synonyms under EVENT. [<Gk. epeisodion <epeisodios coming in besides <epi- upon + eisodos entrance <eis- into + hodos way, road]
—ep′i·sod′ic (-sod′ik) or ·i·cal, ep′i·so′·dal or ·di·al adj
—ep′i·sod′i·cal·ly adverb