Final answer:
To indicate a part of a TV series: A New War Begins - Episode 3, you can use quotation marks or italics.
Step-by-step explanation:
To indicate a part of a TV series, such as an episode, you can use quotation marks or italics. If you are writing an essay or a formal document, it is recommended to use italics to indicate the title of the episode, like A New War Begins - Episode 3. However, if you are writing informally or quoting directly, you can use quotation marks, like 'A New War Begins - Episode 3'.
Learn more about Indicating a part of a TV series