After a solid start to its first season, CBS’ drama CIA is locking down a second. The network has renewed CIA, a spinoff of FBI, for the 2026-27 season. The pickup comes after just four weeks on the air for CIA, which has put up good ratings numbers so far. It follows a similarly quick renewal for the network’s Yellowstone spinoff Marshals. The show’s Feb. 23 premiere drew 8.4 million viewers after a week of streaming and other delayed viewing, and the second episode on March 2 came in at 7.6 million. In both cases, CIA more than doubled its initial audience over seven days (the first two episodes averaged 3.78 million and 3.59 million same-day viewers). CIA follows an FBI agent (Nick Gehlfuss) who’s loaned out to a clandestine CIA/FBI task force and partnered with an agency operative (Tom Ellis) with a very different approach to his job. Necar Zadegan and Natalee Linez also star. The series is produced by Universal Television in association with Dick Wolf’s Wolf Entertainment and CBS Studios. CBS had …