Every season of 12 Monkeys ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of 12 Monkeys!

27 years after a virus wipes out most of humanity, scientists send a man back to 2015 to stop the plague from ever happening. Cole's only lead is a virologist, who knows the dangerous source of the outbreak.

Splinter

The trail of a mysterious organization called the “Army of the 12 Monkeys” leads Cole to a mental institution in 2015, where a patient holds the key to the plague that destroys the world. Meanwhile, despite warnings that her involvement may disrupt the course of history, Dr. Railly risks her life to help him.

Mentally Divergent

Cole's search for the location of the virus leads him to 2014, and to a devastating moment in Dr. Railly's life involving a dangerous outbreak in Haiti.

Cassandra Complex

A fight for the future ensues when a dangerous band of marauders hunting for Cole and Ramse threatens the mission to save the past.

Atari

Cole and Dr. Railly face off with the Army of the 12 Monkeys when both discover the Night Room –- an off-site, black ops lab that houses the virus that will one day destroy the world.

The Night Room

When the tragic events of the Night Room create an alternate reality in 2043, Cole risks his future.

The Red Forest

Cole, Dr. Railly and Aaron strive to stop the virus from being deployed as a bioweapon in Chechnya.

The Keys

The Core that powers the time machine is fading. To get Cole back from the past, Jones must convince her former colleagues at the military operation "Spearhead" that her mission is worth saving.

Yesterday

Cole finds himself in 2017 at the height of the plague. Out of options, Jones faces an impossible choice to replace the Core.

Tomorrow

Forces come to a head when Ramse does what it takes to protect his newfound family, leaving Cole to deal with the aftermath.

Divine Move

Cole splinters to Tokyo, 1987 in a last chance effort to stop the Army of the 12 Monkeys.

Shonin

With Cole dying from the effects of time-travel, Railly must find the one person who can save him.

Paradox

Cole and Railly attempt a final confrontation with their closest enemies, while Jones faces a new threat to all that she's accomplished.

Arms of Mine

Cole and Ramse repair their broken friendship while on the run; Railly and Jones navigate an uncertain future in 2043.

Year of the Monkey

Cole gets stranded in 2016 after an attempt to destroy the virus changes the future. Jones and Railly deal with the consequences of the changed timeline.

Primary

Despite the growing tension between them, Cole and Cassie time travel to New York during World War II to track down a dangerous member of the Twelve.

One Hundred Years

When Cole and Cassie are stranded in 1944, Jones must turn to the person she trusts the least to bring them home -- Ramse. For Ramse, this mission will give him a chance to atone for his sins -- but can he mend the broken relations between Cole and Railly? Meanwhile, Jones visits Old Jennifer Goines to explore the true nature of Time - and the Twelve’s method to destroy it.

Emergence

In the present, Cassie and Jennifer Goines run from the 12 Monkeys; in 2044, Cole and Ramse face off against Deacon.

Bodies of Water

Cole and Ramse travel to 1970s New York City to prevent the Twelve from murdering a Vietnam veteran with a connection to the Witness.

Immortal

Cole faces the Witness as Cassie's hallucinations evolve; deadly visitors from the past arrive when the time machine malfunctions and begins tearing apart time and space.

Meltdown

Jones comes to the disheartening realization that time travel is humanity's true enemy and that as its architect she needs to be stopped, and so she sends Railly back to the year 2020 with orders to undo all of it.

Lullaby

To save the last Primary, Cole must turn to a mortal enemy. Plus: Jennifer Goines, radical revolutionary?

Hyena

Cole has his loyalty tested when Ramse and Railly go rogue, embarking on an unsanctioned mission that sends them to 1961 East Berlin. Once there, they have murder on their minds as they search for an unscrupulous German doctor who knows the location of "The Witness."

Fatherland

With the temporal facility on the verge of destruction, Cole and Jones find themselves in the middle of a coup. After a violent encounter ends in an unexpected tragedy, Cole is sent back to 1957 in a last-ditch effort to save humanity while the rest embark on a caravan across the apocalypse to find Titan -- the stronghold of the Witness.

Resurrection

Cole and Railly attempt to stop the final paradox in the past while Ramse, Jennifer and Deacon struggle to survive the apocalypse in a last ditch effort to find the Witness.

Blood Washed Away

Cole and Railly have finally found peace living in the past. When a mysterious woman with apocalyptic visions of the future tells Cole it's not over, he must do the unthinkable to save the world... and the woman he loves.

Memory of Tomorrow

In the apocalypse of 2163, a desperate Cole searches for Titan. Meanwhile, a captive Railly is faced with an impossible choice as the 12 Monkeys await the arrival of The Witness.

Mother

While searching for Jennifer Goines in post-WWI France, Cole and Jones encounter a dangerous group of time- travelers - the Guardians.

Guardians

Bonds of trust are tested when Ramse returns to the facility with an old enemy held captive. How far will Cole and Jones go for the answers they need?

Enemy

Ramse and Cole splinter to 2007 expecting either a trap - or a final chance to kill The Witness. But when Cole discovers a heartbreaking truth, he’ll discover that the mission was both.

Brothers

Out of time and in need of answers, Jennifer and Deacon are sent to 1989 to steal the a sacred document. Can Railly and Cole get to the Word first before it reveals the one secret they want kept?

Causality

In 1953, Cole and Railly reunite with Agent Gale at the birth of the Army of the 12 Monkeys.

Nature

Cole and Railly find themselves at opposite ends of an unspeakable decision. Jones grows suspicious while Railly turns to an emotional ally for advice. All hell breaks loose during a massive fire-fight.

Nurture

Former friends, now enemies, race to find the Witness in 1904, who, at last, reveals his face.

Masks

The reason why the Witness wants to destroy time and all reality is revealed.

Thief

The final battle with the Witness begins.

Witness

The final conflict with the Army of the 12 Monkeys begins when the Witness returns to Project Splinter.

The End

Travelers come face to face with ghosts from their past when they find themselves maneuvering around their own timelines.

Ouroboros

Cassie travels back in time to confront a younger Olivia; Cole helps Jennifer find the meaning behind her final Primary vision.

45 RPM

Team Splinter goes back in time to the wild, wild frontier in search of a weapon to destroy the Witness.

Legacy

A clue to breaking the cycle leads Cole and Cassie to the 1960s. Christopher Lloyd returns as Zalmon Shaw, a devoted follower of the Witness.

After

The team infiltrates a Nazi gala to steal an artifact known as 'Die Glocke'. Their operation comes undone when French Resistance interferes and an unexpected guest arrives.

Die Glocke

Jones sends Hannah back in time to 2007 on a personal mission that could be the key to everything.

Daughters

Everything changes when the team finally climbs the steps... and rings the bell in the Middle Ages.

Demons

The beginning of the end as Cole and Cassie embark on their final mission.

One Minute More

The final battle against the Witness as the fate of time and mankind hangs in the balance. All the pieces finally come together to mark the end of the beginning.

The Beginning (1)

When all hope is lost, Cole must complete his cycle so that his younger self will one day arrive at the end with the answer.

The Beginning (2)

The provocative story of Cole, a time traveler from a decimated future in a high-stakes race against the clock. Utilizing a dangerous and untested method of time travel, he journeys from 2043 to the present day on a mission to locate and eradicate the source of a deadly plague that will all but annihilate the human race.

The Best Seasons of 12 Monkeys

The Best Seasons of 12 Monkeys

Season 4

Season 2

Season 3

Season 1