As FBI heads into its winter hiatus, Jeremy Sisto warns that Jubal’s team is in for an “exciting” and “horrible” case with many twists and turns.
“It’s scary,” Sisto, who plays ASAC Jubal Valentine, exclusively told Us Weekly of the show’s two-part fall finale airing on Monday, December 15.
He teased that Jubal is “at the center of the storm in this one,” and so is his son, Tyler (Caleb Reese Paul).
Monday’s double feature begins with “Lone Wolf,” which, according to Sisto, 51, starts with the FBI team being alerted to a crime by the tip line, “which is not something [that] usually leads us anywhere.”
Sisto revealed that FBI analyst Kelly Moran (Taylor Anthony Miller) has an “instinct” about one of the calls, and “heads out with our agents, and they find three dead sex workers.”
Throughout the episode, the special agents discover that the murderer has connections to a “radical accelerationist movement that is committed to resetting society because it’s gotten so, so rotten.”
The actor explained that the terrorist group’s “plan is big” and includes “disrupting cell and internet connectivity,” which impacts how Jubal and the team investigate. “[It’s] very frustrating when you get disconnected, but even worse when you’re trying to stop further damage [from happening],” Sisto shared.
“It rises to a pretty drastic, pretty dramatic threat,” Sisto told Us, noting all of the agents become “concerned” with their families “being in the wrong place at the wrong time when there is an active threat.”
That threat hits especially close to Jubal, whose high-school aged son is “in the city for the day with a friend” as the events unfold.
“[He’s] just hoping he’s not at the wrong place, at the wrong time,” Sisto said of his character’s arc, teasing that fans should pay special attention to Tyler and his conversations with dad Jubal in both parts of the fall finale.
Sisto confirmed, “In the beginning, you know something is going to get dirty with this plot,” teasing that in part two, titled “Wolf Pack,” the team must track down the bad guys without their usual communication tools in place.
Even with the disruption to their comms system, Sisto said the team will do their best to “search every square inch” of New York City to find the culprits — but it won’t be without a few mishaps.
“In this particular case, we don’t find them quick enough before some very bad stuff happens,” Sisto explained, hinting that Jubal’s personal connection to the case will be part of the “bad stuff” that transpires.
He teased that the second half of the fall finale is all about “finding [the culprits] before even more horrible things happen.”
“It’s definitely not a victory throughout,” Sisto ominously warned. “That’s why it takes two hours to get through the story. Because there’s some pretty, pretty bad losses along the way.”
FBI’s two-part fall finale airs on CBS Monday, December 15, at 8 p.m. ET. The show will resume with new episodes in February 2026.
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