Popularity comparison

Castle vs FBI

TV Show Popularity Comparison by Buzz Score

UpdatedJune 30, 2026

By current Buzz Score, Castle is the most popular at 1.6, followed by FBI at 1.5. FBI has the highest 1-Year Buzz Score at 2.6. Castle has the highest Peak Buzz Score at 7.4 during Dec 3, 2023 – Jan 1, 2024.

Current Buzz ScoreJune 29, 2026

Castle1.651% · #398 in TV

FBI1.549% · #419 in TV

1-Year AverageDaily average

Castle2.145% · #387 in TV

FBI2.655% · #299 in TV

Peak Buzz ScoreHighest 30-day average

Castle7.456% · #1,034 in TV · Dec 3, 2023 – Jan 1, 2024

FBI5.844% · #1,234 in TV · Mar 25 – Apr 23, 2020

Buzz Score Over Time

Stacked daily Buzz Score

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