[s7e10] Master Plan -

Use this if you’ve already mentioned the plan or if it’s the primary focus. ("The master plan was finally revealed.")

If you are listing episodes, you generally do need an article. Example: "Next on the watchlist: [S7E10] Master Plan." [S7E10] Master Plan

Are you writing a of this episode, or just trying to figure out how to label it in a collection? Use this if you’ve already mentioned the plan

The episode title refers to the tenth episode of the seventh season of The Clone Wars . The episode title refers to the tenth episode

When referring to the episode by its name, you usually use because it is a specific, unique entity within the series.

Depending on how you are using the title in a sentence, the "proper article" changes based on standard English grammar: 1. Using it as a Title

" The '[S7E10] Master Plan' episode is a fan favorite." 2. Referring to the "Plan" within the story