Use 'episodic' when you want to express that something happens in distinct parts or events rather than continuously. Her journal entries are episodic, capturing moments from different days without a continuous narrative.
Pro Tip 2/2
Partial Recollection
'Episodic' can describe a way of remembering that focuses on specific moments rather than the whole experience. My childhood memories are episodic; I recall birthdays vividly but not the days in between.