Season 4 of received mixed reviews, often described as a transitional and somewhat polarizing year for the series . While it maintains its core appeal through Freddie Highmore’s performance, many viewers felt the season strayed from the original premise of a "medical savant" to focus more on relationship drama and social commentary. Key Themes and Changes

: A significant portion of the season is dedicated to Shaun and Lea’s evolving relationship, including a major pregnancy arc. This shift divided fans; some enjoyed the emotional intimacy, while others felt the "Lea drama" overshadowed the medical cases.

: The season begins with a two-part premiere addressing the COVID-19 pandemic. While some praised its realism, others found it difficult to watch or preferred to use TV as an "escapism" from real-world events.

: Shaun transitions from being a student to a supervisor, overseeing a new group of first-year residents. Critics noted that while this provided character growth, it sometimes felt repetitive or detracted from Shaun's personal medical genius moments.

: Many audience reviews on platforms like Rotten Tomatoes and Reddit criticized the season for feeling "overly political," tackling issues such as systemic racism, gender identity, and medical ethics in a way that some felt was "heavy-handed". Performance and Ratings