Friday, August 8, 2025

The War of 18-49, FBI: International


The All-FBI Night

When FBI had a successful first season, establishing a new crime drama franchise on CBS, Dick Wolf didn't waste any time expanding the universe. FBI had a spin-off, FBI: Most Wanted, on the air by the middle of its second season. And for season four, the network took an even bigger step, moving NCIS out of a Tuesday 8/7c slot it had held for 18 years to put the mothership at 8/7c. They left Most Wanted at 10/9c and launched a second spin-off, FBI: International, in the hammock between the two.

International had solid retention on premiere night, holding about 90% with a 0.59 demo following FBI's 0.66. But the two went in separate directions in week two, with International falling to a 0.52 after the mothership's 0.68. It stabilized from there, hanging at around 80% retention for most of the rest of the season, and in fact most of the rest of the series.

CBS stuck with the tri-FBI lineup for four seasons. The trio took a bit of a hit in International's second season, facing real crime drama competition from ABC's The Rookie and others, then bounced back a touch in the following two seasons. International always looked like the softer of the spin-offs, as FBI: Most Wanted held almost all of its same-day ratings in the tougher 10/9c hour. But CBS didn't bother splitting hairs between the two, axing both in spring 2025 and turning Tuesday back over to the NCIS universe.

Adults 18-49 info by season:

SeasYearSlotAvgy2yLoHiResultsGrade
12021-22Tuesday 9:000.530.40.6detailB-
22022-230.41-22%0.30.5detailC
3Spring 20240.38-8%0.30.4detailB
42024-250.31-17%0.20.4detailB-

Historical-adjusted ratings by season:

SeasYearA18-49+LabelNow25y2yLoHiPremiereFinale
12021-22104solid0.338611811686
22022-2396marginal0.31-7%7711711777
3Spring 202499marginal0.32+3%8711611690
42024-2599marginal0.310%7912695101

AVERAGE:100solid
CAREER:398utility


The War of 18-49 chronicles the ratings history of veteran primetime series. For more, see the Index.

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