In a bombshell that has sent shockwaves through the TV world, Hollywood star Jeremy Sisto has sensationally quit the hit CBS crime drama FBI after seven gripping seasons and more than 100 nail-biting episodes.

The 51-year-old actor, who has been the beating heart of the show as Assistant Special Agent in Charge (ASAC) Jubal Valentine, is set to make his emotional farewell, marking the end of an era for one of America’s most-watched procedurals.

Devoted fans are in meltdown mode, flooding social media with tributes and tears, branding Jubal the “tactical genius” who held the elite New York Field Office team together through terror plots, bombings and personal demons.

One heartbroken viewer posted: “Jubal IS FBI! How can they let Jeremy Sisto go? This is devastating!”

Another raged: “Seven seasons of pure brilliance and now this? CBS, you’ve broken my heart!”

The dramatic departure comes in the mid-season finale of Season 8, titled Fadeaway – an episode packed with high-stakes terror, heroic sacrifice and gut-wrenching personal loss that pushes Jubal to his absolute breaking point.

Viewers were left gasping as Jubal, the unflappable command centre operative known for his sharp wit and unbreakable moral compass, found himself battered both physically and emotionally.

Facing a ruthless terrorist cell intent on plunging New York into chaos, Jubal was thrust into the fray when tragedy struck terrifyingly close to home – threats escalating to his own son, Tyler.

In a mission that demanded everything, Jubal threw himself into the line of fire in a jaw-dropping act of heroism.

Sources reveal the devoted dad suffered severe, life-altering injuries during a explosive showdown, saving countless lives but paying the ultimate price: his career in the Bureau.

Bloodied and broken, Jubal’s selfless sacrifice forced him to confront the harsh reality – he could no longer lead from the JOC (Joint Operations Center), the nerve center where he’s orchestrated hundreds of takedowns.

Insiders say the scenes were “utterly devastating” to film, with co-stars reduced to tears as Sisto’s character bid a poignant goodbye to partners Maggie Bell (Missy Peregrym) and OA Zidan (Zeeko Zaki).

One crew member spilled: “It was like losing a family member. Jeremy has been the rock of this show since day one.”

Behind the scenes, the exit was reportedly amicable but bittersweet.

Jeremy Sisto, famed for roles in Law & Order, Six Feet Under and Clueless, opened up in an exclusive interview, admitting the decision was mutual with producers led by Dick Wolf.

“It’s been an incredible ride,” Sisto confessed. “Jubal has been through hell – addiction relapses, family crises, endless trauma. He’s endured more than any agent should.

“After all that damage, he deserved a powerful, dignified ending rather than fading away. The character has been pushed to his ethical and physical limits time and again.

“We agreed it was time for Jubal to step back, to heal, to prioritise what’s left of his life outside the badge.”

Sisto, a father himself, added: “Playing Jubal taught me so much about resilience, but also about knowing when to say enough is enough.”

The star hinted he’s eyeing new projects, with whispers of movie roles and perhaps even a return to comedy.

But for now, he’s grateful: “FBI changed my life. I’ll miss Jubal every day.”

As the dust settles on Jubal’s heroic exit, questions swirl over the future of FBI – renewed through Season 9 but now facing its biggest shake-up yet.

Who will fill the massive leadership void in the New York Field Office?

Showrunners are teasing a power vacuum that could see fan-favourite Stuart Scola (John Boyd) step up as the new ASAC, or the introduction of a bold new character to shake up the dynamics.

Upcoming episodes will dive deep into the team’s grief, with Maggie and OA grappling with the profound loss of their tactical leader and mentor.

“Maggie and OA are devastated,” a source revealed. “Jubal wasn’t just their boss – he was family. We’ll see them questioning everything, fighting to honour his legacy while adapting to life without him.”

This exit highlights a growing trend in long-running procedurals: bold cast changes to keep stories fresh amid rising production costs and actor demands.

FBI has already bid farewell to several originals, but losing Sisto – whose Jubal has been the strategic backbone since the 2018 pilot – feels like a seismic shift.

Fans fear the show risks losing its soul, with one tweeting: “Jubal yelling orders in the JOC was iconic. Without Jeremy Sisto, is it even FBI anymore?”

Yet producers insist the series is stronger than ever, promising “explosive new directions” when it returns.

With crossovers still possible in the Dick Wolf universe (including the upcoming CIA spin-off), could we see Jubal pop up elsewhere? Or is this truly goodbye?

One thing’s certain: Jeremy Sisto’s portrayal of Jubal Valentine – the flawed, fierce, utterly compelling agent – will go down as TV legend.

As one fan summed it up: “Thank you, Jeremy, for giving us the best damn ASAC in television history. You’ll be missed.”

FBI continues on CBS, with the team navigating their darkest chapter yet without their guiding light.