Master Plan - [s7e10]
"I just finished watching the episode '[S7E10] Master Plan'."
Are you writing a of this episode, or just trying to figure out how to label it in a collection?
If you are talking about the actual scheme or plot inside the episode's narrative: [S7E10] Master Plan
When referring to the episode by its name, you usually use because it is a specific, unique entity within the series.
Use this if you are introducing the concept for the first time. ("Darth Sidious set a master plan into motion.") 3. In a List or Citation "I just finished watching the episode '[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.")
The episode title refers to the tenth episode of the seventh season of The Clone Wars . ("Darth Sidious set a master plan into motion
If you are writing an essay or a blog post, the most natural way to phrase it is: "In the episode 'Master Plan'..."