As of July 2026, The Unit Season 4 aired in 2008 with 22 episodes — streaming now on Amazon Prime Video. Full episode guide and where to watch below.

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The Unit Season 4

2008 22 Episodes Action & Adventure · Drama ⭐ 7/10

The Unit Season 4 has built a real following on and among viewers who want their action grounded in something real. Across 1 season, the show has had time to find its rhythm and keep it. A 7/10 rating says what the writing already makes obvious: this one works. No filler scenes, no spinning wheels between the action. Available now — press play and find out why people keep recommending it.

There is a reason The Unit Season 4 keeps coming up in conversation. The Unit Season 4 moves fast and earns its action sequences rather than just delivering them. Season 4 of The Unit includes 22 episodes. It aired from September 2008 to May 2009. This season stars Dennis Haysbert, Regina Taylor and Scott Foley. Dennis Haysbert and Regina Taylor lead a cast that brings real weight to the material. It was aired in 2008. The Unit Season 4 earns its bigger moments by making you care about the outcome before it happens. It knows exactly what it is, and does not try to be anything else.

The Unit Season 4 is the kind of thing you put on to unwind and find yourself sitting forward twenty minutes in. If you have run out of similar titles to watch, this is a strong next pick. Short enough to finish in a weekend, substantial enough to feel satisfying. Dennis Haysbert brings a physicality to the role that elevates every set piece. Action that earns its sequences rather than just delivering them.

📡 Where to Watch The Unit Season 4

🇺🇸 United States

Amazon Prime Video

Amazon Prime Video with Ads

🎬 The Unit Season 4 — Episode Guide

While women are being secretly relocated and moved off the base for their own safety, Jonas and the team must unravel an assassination plot against the vice president and president elect.

The team follows a scientist who may have been targeted by terrorists, hoping to link those same terrorists to a presidential assassination plot.

While the Unit is investigating a man they believe to be smuggling nuclear weapons, they discover that he is also smuggling women.

Bob and Mac both find themselves in trouble when they each take assignments undercover. Bob as a chemist who hides cocaine by converting it to paint and Mac as a fighter trying to bust an illegal betting ring.

Dancing Lessons

A nuclear scientist insists on making a deal with the team before revealing information about an imminent terrorist attack on a major U.S. city; Kim, Molly and Tiffy are asked to work under cover with Jonas.

Hoping to con a terrorist into exposing his accomplices before they escape, the team produces phony evidence of an attack.

The team travels to Iraq to save Jonas' daughter, who has been kidnapped; Col. Ryan must face the consequences for his adultery with Mack's wife.

The team keeps trying to rescue Betsy Blane from Syrian captors; Mack has an opportunity to get revenge on Ryan for his affair with Tiffy.

Jonas and the team must travel through enemy territory to bring a young bride to her groom, preserving a truce between two warring Afghanistan tribes; Kim and Bob try to expose a man who is linked to terrorists.

Misled & Misguided

The team's attempts to raid an anthrax lab are thwarted by an official from the Department of Defense (Michael McKean), who believes his high-tech intelligence is superior to field logic.

Jonas and the team force a Department of Defense official to go with them on an assignment and experience the realities of war; A mysterious women shows up at Aerodyne headquarters. Kim is finally reunited with her kids.

Jonas plays a game of high stakes baccarat to win back the services of a CIA spy who has gone over to the other side. His success is also key in getting court martial charges against team member Bridget Sullivan dismissed.

The Spear of Destiny

Jonas and a seriously wounded Mack take refuge in a monastery where he is ordered to steal the monks' most prized possession. Back home, Bob is asked to perform a dangerous mission that will reveal the darkest side of his job to Kim.

The President orders the unit to capture a Nazi war criminal from his hiding place and deliver him to The Hague. In Washington, Tom Ryan confronts his past when he is offered a promotion to General

The unit initiates a new team member while Jonas coaches his daughter Betsy, on how to respond to media questions about her kidnapping and rescue without blowing the cover story.

Unable to communicate with the outside world, the Unit and their families must survive when a deadly gas poisons anyone in their community who steps outside.

Flesh and Blood

As the Unit fights to rescue Jonas's old friend, a broken helicopter gas tank and nearby guerillas impede their mission. Meanwhile, Tom goes to extreme measures to extract information from a recovering alcoholic whose husband may have been behind a terrorist attack.

Best Laid Plans

The mission's plans go awry and Bob must run interference when Jonas and Mack are undercover to find the terrorists who killed the Vice President.

When Sam attacks Bridget, the other members of the Unit must hunt him down.

A random incident throws Jonas and Bob's carefully planned mission into chaos.

🎭 Cast of The Unit Season 4

Dennis Haysbert

Dennis Haysbert

Regina Taylor

Scott Foley

Audrey Marie Anderson

Audrey Marie Anderson

Max Martini

Abby Brammell

Michael Irby

Robert Patrick

Nicole Steinwedell

Nicole Steinwedell

Bridget Sullivan

📋 All Seasons of The Unit

Season 1 Season 2 Season 3

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