Caitlin Clark's presence continues to drive unprecedented viewership numbers in the Women's National Basketball Association (WNBA), leading to competing claims from CBS and NBC regarding which network aired the most-watched game of the 2026 season.

CBS Sports reported that the July 18 game between the Indiana Fever and the New York Liberty averaged 2.579 million viewers, with a peak of over 3 million. The network stated this was the most-watched WNBA game on any network this season and the second-most-watched since 2000. Six days prior, NBC announced that the July 12 game between the Fever and the Las Vegas Aces achieved a Total Audience Delivery of 2.64 million viewers across NBC and Peacock, also claiming it as the season's most-watched WNBA game and the second-highest-rated regular-season game since 2000.

These dueling announcements highlight the significant impact Clark has had on WNBA ratings. The discrepancy in the numbers stems from differing measurement methodologies. CBS's figure is based on Nielsen Big Data + Panel, while NBC's number incorporates Nielsen television data along with digital viewing from Adobe Analytics via its Peacock streaming platform. Sports Media Watch reported the NBC linear audience at 2.46 million, with the remainder coming from streaming.

Neither network's claim is necessarily incorrect, as they are measuring slightly different metrics. However, both games in question featured Caitlin Clark and the Indiana Fever, underscoring her drawing power. The July 12 game averaged 2.64 million viewers and peaked at 2.8 million, despite a late start time. The subsequent CBS broadcast of the Fever-Liberty game surpassed the previous season's single-network record, which was set by an earlier matchup between the same two teams on June 6, averaging 2.557 million viewers.

Clark's games have become a consistent driver of high ratings. The Indiana Fever have appeared in the 28 highest-rated WNBA regular-season games of the past 20 years. Prior to Clark's arrival, no WNBA game from 2009 through 2023 had reached 1 million viewers. The record-setting viewership for Clark's games indicates a shift in the league's audience engagement, with her contests now competing against each other for the top viewership spots.

The primary question surrounding WNBA ratings is no longer whether a record will be set, but which network will be able to claim the achievement, demonstrating Clark's substantial influence on the league's audience.