ETYM Greek, a coming in besides, episode; epi into, besides + en into + hodos way; cf. Skr. sad to go: cf. French épisode.
In music, a passage or section of a fugue linking appearances of the subject (principal melody), usually non-thematic in nature and often forming sequences in order to modulate (move from one key to another) before the subject establishes a new key; or in a rondo, one of a variety of sections appearing between and contrasting with the recurring principal theme.
1. A brief section of a literary or dramatic work that forms part of a connected series.
2. A happening that is distinctive in a series of related events.
3. A part of a broadcast serial; SYN. installment, instalment. + prikaži više

ETYM Written also instalment.
1. A part of a published serial; SYN. instalment.
2. A payment of part of a debt; usually paid at regular intervals.