Warning: this article contains spoilers for FBI season 8, episode 21, "Defector."FBI's eighth season ended on a twist that raised the stakes sky-high without needing to leave a character in mortal peril like with Isobel's injury last year. OA finally snapped after being pushed to the edge by the new boss, and a change is on the way that might not deliver the kind of boost that the CBS drama needs.
The case of the finale involved the theft of a lethal bioweapon, but the agents of 26 Fed regularly face crises with the threat of mass casualties hanging over them. The real problem for OA and Maggie in "Defector" involved ADIC Lawrence Green and the return of Anna Vorpe.
Anna and Green were determined to give them as few details as possible about the classified case, which was already grinding OA's last nerve after the ADIC's actions towards him during their last case. Just when it seemed the agents would recover the cure that would save the lives of innocent civilians, they were violently betrayed by Anna's team.
When Green tried to gaslight the bruised and bloody partners back at 26 Fed, OA'd had enough. He told the ADIC that he was a "disgrace to the Bureau" and was immediately fired. That seemed like the end for OA, until the twist reveal that he was working with Maggie and Isobel to take down Anna Vorpe. It was a great twist for fans who don't want to lose Zeeko Zaki from the cast, but it was also a risky move for a show that is running out of renewals after FBI season 9.
FBI Season 8's OA Twist Sets Up A Massive Season 9 Gamble
The twist that OA was fired from the Bureau was very well done, with Maggie and Isobel looking increasingly alarmed while OA got angrier and angrier with Green. With the rest of the office watching (and eavesdropping) from the other side of the office door, it felt like something was about to happen that couldn't be undone.
He barely even got time to say goodbye before he was marched out of 26 Fed by security, and that could have been FBI abruptly tying up loose ends before starting fresh in season 9. The reveal that OA is scheming with Maggie and Isobel to take down Anna (and hopefully Green) ended the finale on an exciting note.
At the same time, FBI sending OA off on a mission on his own means splitting up the partnership with Maggie, which doesn't bode well. Their partnership has been at the heart of the series from the start, adding an emotional layer to an otherwise very procedural TV show.
Previous splits, like when Maggie went undercover and was later exposed to sarin gas, happened out of necessity for Missy Peregrym's maternity leave. Breaking up the partnership now may be the last thing that season 9 needs. After all, that three-season renewal from CBS is ending with the ninth.
While showrunner Mike Weiss did confirm that Zeeko Zaki will be back when season 9 returns, he told TVLine that the new season will start with OA "having been gone for weeks or months," and "to get him and Maggie in the same room will be a challenge."
For any fans who watch FBI because they're invested in the characters and the ongoing storyline of Maggie and OA's partnership, even the earliest details about season 9 may be discouraging. The show can't get back to business as usual right away, and that could backfire.
Why FBI Season 9 Needs To Redeem The Series
The juicy storyline of Isobel deciding to turn down the promotion to ADIC has officially backfired on the usual 26 Fed team, splitting up the most solid partnership of the entire FBI franchise ahead of a long hiatus without any new episodes. That may not have been the best move to redeem FBI.
FBI hasn't been earning the same kinds of numbers that won it a three-season renewal years ago, despite pretty solid stories in the eighth season. In April 2024, CBS revealed that the drama was averaging more than 12.3 million viewers across platforms over the course of 35 days, which was impressive enough for the multi-year renewal.
That total dropped to 10.6 million viewers by the end of season 7 in 2025. While the final numbers for season 8 aren't available yet at the time of writing, CBS did reveal in mid-April that six of its shows made the Top 20 list of broadcast and streaming shows over 28 days.
FBI was not among them. Ghosts came in at No. 20 with 10.3 million viewers, which proves that FBI's audience continued to shrink into season 8, at least below 10.3 million. CIA, the new spinoff that launched after FBI: Most Wanted and FBI: International were cancelled, did make that list with 11.7 million viewers.
It's impossible to say what factors led to the shrinking audience as of the end of season 8, although this was FBI's first season in years without any FBI-set spinoffs and the first season that doesn't air on a Tuesday. Now just may not be the time to even temporarily split up the central partnership of the series.
None of this is to say that FBI is on the verge of cancellation just because Maggie and OA's partnership is changing, but it's hard to imagine that any viewers are as invested in watching Scola and Eva together as they are in watching Maggie and OA.
CIA Season 2's Fate Officially Decided By CBS After Rocky Season 1 Production
The fate of CBS' new FBI spinoff series, CIA, has now been decided.
CBS confirmed that CIA has officially been renewed for season 2, following impressive viewership numbers from its series premiere. According to Paramount, the premiere episode saw 8.4 million multiplatform viewers via broadcast and streaming within the first seven days of its release.
Ratings for the first three episodes of the series showed a 39% improvement on Monday at 10 p.m. compared to the same timeslot in fall 2025.
Behind the scenes, though, CIA has had a rocky production. FBI: Most Wanted showrunner David Hudgins was initially in charge of the series, but Warren Leight later replaced him. That wasn't the end of the turnover, though, as he eventually departed, along with executive producer Eriq La Salle. Mike Weiss, who was the showrunner on the original FBI series, was hired as the CIA showrunner.
All of this turmoil, plus Michael Michele's departure from the cast, caused production delays, and CBS decided to give CIA a mid-season 2026 premiere after previously announcing it would debut in fall 2025.
CIA stars Tom Ellis and Nick Gehlfuss as CIA Agent Colin Glass and FBI Agent Bill Goodman, respectively, who are tasked with working together on a secretive joint CIA/FBI task force. The two agents couldn't be more different, with the latter a rule-follower and the former more mischievous in nature.
While on the job together, Glass and Goodman stay in the shadows as they solve domestic and international crimes away from the eyes of the public.
Before CIA, Ellis was best known for his role as Lucifer Morningstar on the Fox/Netflix drama Lucifer, while Gehlfuss has starred in The Newsroom, Shameless, and Chicago Med (another Dick Wolf-created series).
Their CIA co-stars include Necar Zadegan and Natalee Linez. Zadegan, who plays Nikki Reynard, will guest star in the March 30 episode of FBI season 8, in which the Deputy Chief of Station is called in to help following a double homicide. The episode will mark Maggie Bell's return to the team after suffering a major loss.
Wolf created the hugely popular Law & Order and One Chicago franchises on NBC, and then went on to create the FBI crime procedural franchise for CBS. The first FBI series debuted in 2018 with star Missy Peregrym and is currently airing its eighth season.
Two years later, the first spinoff, FBI: Most Wanted, launched and aired for six seasons. FBI: International followed in its footsteps and aired for four seasons.
CIA, which currently has a 63% critic score and 51% audience score on Rotten Tomatoes, marks the third FBI spinoff, with Wolf, Weiss, Ken Girotti, Paul Cabbad, Nicole Perlman, David Chasteen, Anastasia Puglisi, and Peter Jankowski serving as executive producers.
CIA airs Mondays at 10 p.m. EDT on CBS.
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