The Best TV Seasons Certified Fresh at 100%

Updated November 3, 2025

Debate over TV’s best shows will rage eternal, but what we’ve found here at Rotten Tomatoes is that not every season of those “best” series are created equal.

Some of the best series of all time ran long enough to see their season scores land all over the map, so we decided to collect the best of the best and rounded up the seasons with perfect 100% Tomatometer scores. They are ranked below by the number of reviews.

Just Added: The Chair Company , Platonic Season 2, Code of Silence , Ballard , Pee-Wee As Himself , Asura , Toxic Town , The Righteous Gemstones Season 4.

#1

Only Murders in the Building: Season 1

100% 93%

Critics Consensus: Only Murders in the Building 's silly approach to true

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