You can refer to an event or a short period of time as an episode if you want to suggest that it is important or unusual, or has some particular quality.
双语例句
例：
This episode is bound to be a deep embarrassment for Washington.
这一事件必然使华盛顿大为尴尬。
2.?[C 可数名词] （电视连续剧的）集 , （连载小说的）节
An episode of something such as a series on television or a story in a magazine is one of the separate parts in which it is broadcast or published.