Original sentence: During early episodes of season two, Scully is typically pictured only in closeup, at a desk, or conducting autopsies—one of her usual roles on The X-Files due to her training as a medical doctor.Season # refers to the order in which the episode aired in that particular season.Series #'' refers to the episode's number in the series overall
Edited sentence: During early episodes of season two, Scully is typically pictured only in closeup, at a desk, or conducting autopsies—one of her usual roles on The X-Files'' due to her training as a medical doctor