FBI Review: Season 9, Episode 6 — Ultimatum

Some hours of FBI run one case down one road. Ultimatum splits its team across two fronts at once — a theft with citywide stakes on one side, and Eva Ramos alone on a ferry on the other — and trusts the split to raise the pressure on both. It is a confident piece of construction, and it gives the show's newest field agent the kind of hour that turns a strong addition into an essential one.

The set-up

CBS's official synopsis lays out both tracks plainly. A highly radioactive material is stolen from a medical disposal facility, sending the team to track down the thief. Meanwhile, after Eva goes to check on her mom, she finds herself in the middle of a fragile situation on the Staten Island Ferry. TVmaze's episode guide lists the same two tracks for the hour, and Seat42F's CBS press materials credit the episode as written by Mae Smith and directed by Nimisha Mukerji. The hour takes its title seriously without ever explaining it in advance: an ultimatum is a demand with a clock attached, and everything in this set-up ticks. Stolen material that cannot be allowed to stay missing. A boat, mid-harbor, where a fragile situation has nowhere to go.

Watch: CBS's promo for Ultimatum.

What worked

The two-front structure is the episode's engine. The radioactive theft is the kind of case this franchise was built for — material loose in the city, a thief to identify, Isobel Castille setting the terms from the Joint Operations Center while Jubal Valentine runs the board and the analysts feed the field one verified fact at a time. It is procedure as momentum, and the show plays it straight, with no shortcuts and no padding.

Against that machinery, the ferry track runs on a completely different fuel. Eva went to check on her mother. That is the whole errand — a daughter's errand, off the clock — and the episode understands what it means for an agent to be caught in a fragile situation without the full weight of the bureau at her back. One track is about resources: how much of the FBI can be brought to bear, and how fast. The other is about judgment: one agent, reading a situation, deciding moment to moment. Cutting between the two keeps each honest. The big machine never feels routine because the small scene reminds you what all that coordination is for, and the small scene never feels small because the city's clock is running underneath it.

If there is a nitpick, it is a small one, and it is the price of the structure: with two fronts competing, the middle stretch gives the team's hunt slightly less room to breathe than a single-case hour would. The trade is worth it — the ferry track earns every minute it takes — but the procedural thread moves at a clip that leaves a beat or two of the chase to the imagination.

What the episode never does is cheat its own premise. Nothing in the set-up promises more than the hour intends to explore, and the title's promise — pressure, a demand, a deadline — hangs over both tracks equally. Season 9 has been building Eva Ramos carefully, in partner scenes and in one memorable hour that dug into her past. Ultimatum is where that building pays out: the show puts her on her own, in the most public and most contained space in New York, and simply lets her work.

The performances

Juliana Aidén Martinez carries the episode, and she carries it the right way — quietly. Her Eva Ramos does not get louder as the situation on the ferry grows more fragile; she gets calmer, more precise, more personal. Martinez plays an agent whose first tool is attention: listening properly, speaking plainly, staying in the moment in front of her instead of reaching for the badge. It is the fullest showcase she has had since joining the show, and it confirms what the season has been suggesting — Scola found a partner who can hold an episode, not just a scene.

The rest of the ensemble does what nine seasons together teaches a cast to do. Missy Peregrym's Maggie Bell and Zeeko Zaki's OA Zidan work the theft with the settled shorthand of the show's founding partnership, and John Boyd's Stuart Scola gives the hunt its dry, steady edge — a man doing Eva's usual job alongside him while she does hers alone, a symmetry the episode never has to point at. Jeremy Sisto and Alana De La Garza anchor the Joint Operations Center, and James Chen's Ian Lim reminds you, as always, that half of this show's heroics happen at a keyboard. Two kinds of command, one standard of competence, nobody grandstanding.

The score: 9 out of 10. A two-front hour built on a clean premise and carried by a star-making turn from Juliana Aidén Martinez — FBI trusting its newest agent with its tensest stage, and being rewarded for it.

Next week, the board resets and the guest chair fills with a familiar face: Posterity brings Shantel VanSanten back as Nina Chase alongside the team. Six episodes in, Season 9 has now handed its center to Scola and to Eva in consecutive weeks and watched both deliver. That is not a show protecting a formula. That is a deep bench, playing like one. Bring on Monday.

Next episode — Posterity, per TVmaze's CBS listing — airs Monday, November 16, 2026, at 8 p.m. ET/PT on CBS.

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