An incident, action, or time period standing out by itself, but more or less connected with a complete series of events. / An instalment of a drama told in parts, as in a TV series.

plural of episode

relating to an episode / sporadic, happening infrequently and irregularly / (literature) made up a sequence of seemingly unconnected episodes

In an episodic manner; in episodes.

episodic.

plural of episodicity

The quality of being episodic.

episodic

In an episodic manner; in episodes.

The Pig War.