7.8/102,323 votes#1 - Splinter
Season 1 Episode 1 - Aired 1/16/2015
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.
Director: Jeffrey Reiner
Writer: Terry Matalas, Travis Fickett
7.7/101,790 votes#2 - Mentally Divergent
Season 1 Episode 2 - Aired 1/22/2015
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.
Director: David Grossman
Writer: Natalie Chaidez
7.5/101,639 votes#3 - Cassandra Complex
Season 1 Episode 3 - Aired 1/30/2015
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.
Director: Michael Waxman
Writer: Rebecca Kirsch
7.6/101,587 votes#4 - Atari
Season 1 Episode 4 - Aired 2/6/2015
A fight for the future ensues when a dangerous band of marauders hunting for Cole and Ramse threatens the mission to save the past.
Director: David Grossman
Writer: Terry Matalas, Travis Fickett
7.9/101,455 votes#5 - The Night Room
Season 1 Episode 5 - Aired 2/13/2015
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.
Director: David Boyd
Writer: Richard Robbins
7.9/101,430 votes#6 - The Red Forest
Season 1 Episode 6 - Aired 2/20/2015
When the tragic events of the Night Room create an alternate reality in 2043, Cole risks his future.
Director: Alex Zakrzewski
Writer: Christopher Monfette
8.3/101,496 votes#7 - The Keys
Season 1 Episode 7 - Aired 2/27/2015
Cole, Dr. Railly and Aaron strive to stop the virus from being deployed as a bioweapon in Chechnya.
Director: John Badham
Writer: Sean Tretta
7.7/101,320 votes#8 - Yesterday
Season 1 Episode 8 - Aired 3/6/2015
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.
Director: Michael Waxman
Writer: Natalie Chaidez, Oliver Grigsby
7.8/101,285 votes#9 - Tomorrow
Season 1 Episode 9 - Aired 3/13/2015
Cole finds himself in 2017 at the height of the plague. Out of options, Jones faces an impossible choice to replace the Core.
Director: T.J. Scott
Writer: Terry Matalas, Travis Fickett, Rebecca Kirsch
7.7/101,278 votes#10 - Divine Move
Season 1 Episode 10 - Aired 3/20/2015
Forces come to a head when Ramse does what it takes to protect his newfound family, leaving Cole to deal with the aftermath.
Director: Magnus Martens
Writer: Terry Matalas, Travis Fickett
8.3/101,358 votes#11 - Shonin
Season 1 Episode 11 - Aired 3/27/2015
Cole splinters to Tokyo, 1987 in a last chance effort to stop the Army of the 12 Monkeys.
Director: Mark Tonderai
Writer: Sean Tretta
8.5/101,427 votes#12 - Paradox
Season 1 Episode 12 - Aired 4/3/2015
With Cole dying from the effects of time-travel, Railly must find the one person who can save him.
Director: Dennie Gordon
Writer: Terry Matalas, Richard Robbins
8.4/101,358 votes#13 - Arms of Mine
Season 1 Episode 13 - Aired 4/10/2015
Cole and Railly attempt a final confrontation with their closest enemies, while Jones faces a new threat to all that she's accomplished.
Director: David Grossman
Writer: Terry Matalas, Travis Fickett
The Best Episodes of 12 Monkeys Season 1
Every episode of 12 Monkeys Season 1 ranked from best to worst. Discover the Best Episodes of 12 Monkeys Season 1!
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...
Genres:Sci-Fi & FantasyDrama
Network:Syfy
Season 1 Ratings Summary
"Splinter" is the best rated episode of "12 Monkeys" season 1. It scored 7.8/10 based on 2323 votes. Directed by Jeffrey Reiner and written by Terry Matalas, Travis Fickett, it aired on 1/16/2015. This episode is rated 0.1 points higher than the second-best, "Mentally Divergent".