The list is ranked by Unique Audience and include four metrics for each of the top episodes:
* Tweets - Tweets ascribed to a linear TV episode.
* Unique Authors – Unique Twitter accounts that have sent at least one Tweet ascribed to a specific TV episode.
* Impressions - The number of times any Tweets ascribed to a TV episode were seen.
* Unique Audience – The total number of distinct Twitter accounts accruing at least one impression of one or more different Tweets ascribed to a TV episode.