College Basketball TV Ratings: Most-watched 1st, 2nd round games of 2026 NCAA Tournament
A look at the most-watched first and second-round games of the 2026 NCAA Tournament, per data obtained by On3.
Through the first two rounds of the 2026 NCAA Tournament, CBS and TNT Sports have seen a surge in viewership. The Round of 32 game between St. John’s and Kansas led the charge.
On3 obtained Nielsen Big Data + Panel data for the Rounds of 64 and 32 to start March Madness. St. John’s victory over Kansas was the only game to top 10 million viewers, averaging 10.
58 million on CBS. In fact, CBS had nine of the Top 10 most-watched games of the 2026 NCAA Tournament to date. SUBSCRIBE to the On3 NIL and Sports Business Newsletter All told, CBS and TNT Sports said viewership is up 7% from last year through the first two rounds, with an average of 10.
1 million viewers. Here are the most-watched college basketball games from the Rounds of 64 and 32, according to Nielsen Big Data + Panel TV ratings data. St.
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