Meaning of “episode” - Learner’s Dictionary

episode

noun [ C ] uk us /ˈepɪsəʊd/
PROGRAMME

B2 one programme of a series shown on television:

Did you see last week's episode of The X-Factor?
EVENT

B2 a single event or period of time:

an important episode in British history

(Definition of “episode” from the Cambridge Learner’s Dictionary © Cambridge University Press)