The BEST Episodes of The 100

Every episode ever - ranked by fan votes!

Last Updated: Jul 15, 2019

Set ninety-seven years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends one hundred juvenile delinquents back to Earth, in hopes of possibly re-populating the planet.

Damocles (2)

#1 - Damocles (2)

Season 5 - Episode 13

In part two of the fifth season finale, Clarke and her friends must risk everything to fight one last battle for survival, only to glimpse an even darker threat to the last living valley on Earth.

star 8.34
2,414 votes
We Are Grounders (2)

#2 - We Are Grounders (2)

Season 1 - Episode 13

Clarke pleads with Bellamy to do the right thing as conflict on the ground comes to a head. Bellamy forces Octavia to make a difficult decision. Raven and Jasper work against time and Finn makes a bold move. Meanwhile, the situation on the Ark comes to a stunning conclusion.

star 8.23
4,099 votes
Directors: Dean White
Writers: Jason Rothenberg
Praimfaya

#3 - Praimfaya

Season 4 - Episode 13

It's a race against the end of the world as Praimfaya arrives forcing our heroes to make impossible decisions to ensure their survival.

star 8.16
5,005 votes
Directors: Dean White
Writers: Jason Rothenberg
Blood Must Have Blood (2)

#4 - Blood Must Have Blood (2)

Season 2 - Episode 16

The journey to the City of Light continues, and Jaha makes a move that shocks Murphy. Clarke receives help from an unexpected source, a visitor surprises Octavia, and Lincoln gets his revenge. Meanwhile, at Mount Weather, Cage moves forward with his mission and Bellamy and the group struggle to break free.

star 8.15
4,213 votes
Directors: Dean White
Writers: Jason Rothenberg
Perverse Instantiation (2)

#5 - Perverse Instantiation (2)

Season 3 - Episode 16

Our heroes begin to face the reality of their tragic situation. Everyone prepares for a final showdown.

star 8.09
5,456 votes
Directors: Dean White
Writers: Jason Rothenberg
Spacewalker

#6 - Spacewalker

Season 2 - Episode 8

Clarke returns to Camp Jaha with devastating news. Finn struggles with the aftermath of his actions. Abby gathers information from an unlikely source and prepares for a fight. Meanwhile, flashbacks reveal Finn and Raven’s relationship on the Ark.

star 8.03
3,839 votes
Directors: John Showalter
Writers: Bruce Miller
Sleeping Giants

#7 - Sleeping Giants

Season 5 - Episode 3

Bellamy leads the charge investigating a potential way home. Meanwhile, Clarke and Madi deal with the new, uncertain threat to their home.

star 7.98
2,982 votes
Directors: Tim Scanlan
Writers: Aaron Ginsburg, Wade McIntyre
Die All, Die Merrily

#8 - Die All, Die Merrily

Season 4 - Episode 10

Octavia fights in the final battle for her people's survival, but not everyone is willing to play fair.

star 7.96
5,007 votes
Directors: Dean White
Writers: Aaron Ginsburg, Wade McIntyre
Perverse Instantiation (1)

#9 - Perverse Instantiation (1)

Season 3 - Episode 15

Clarke finds hope in the most unlikely place. Alie’s master plan comes together.

star 7.92
5,207 votes
Directors: Ed Fraiman
Writers: Aaron Ginsburg, Wade McIntyre
Thirteen

#10 - Thirteen

Season 3 - Episode 7

Lexa tries to maintain peace and order within the clans. Clarke uncovers a strange and game-changing truth. A flashback takes us into the darker chapter of humanity’s past.

star 7.91
4,743 votes
Directors: Dean White
Writers: Javier Grillo-Marxauch
Long Into an Abyss

#11 - Long Into an Abyss

Season 2 - Episode 7

As Abby and Jaha each try to establish their authority, Clarke comes up with a plan to stop the Grounders' attack. At Mount Weather, Jasper, Monty, Miller and Harper plan their escape, as Dr. Tsing and Cage conduct deadly experiments.

star 7.90
3,834 votes
Directors: Antonio Negret
Writers: James Thorpe
Bodyguard of Lies

#12 - Bodyguard of Lies

Season 2 - Episode 14

While preparing for battle, Clarke and Lexa have a heated discussion. Desperate for help, Raven has Wick summoned to the engineering room. Jaha and Murphy encounter a perilous roadblock. Meanwhile, at Mount Weather, Bellamy is in a race against time.

star 7.90
3,516 votes
Directors: Uta Briesewitz
Writers: Jason Rothenberg
Blood Must Have Blood (1)

#13 - Blood Must Have Blood (1)

Season 2 - Episode 15

Clarke and Lexa prepare for battle, while Raven and Wick experience a major setback. Meanwhile, Octavia and Lincoln are each forced to make a difficult decision. At Mount Weather, Jasper and Maya witness a horrible act, Bellamy follows through on a promise and Cage goes public with powerful information.

star 7.90
3,661 votes
Directors: Omar Madha
Writers: Aaron Ginsburg, Wade McIntyre
Coup de Grâce

#14 - Coup de Grâce

Season 2 - Episode 11

Bellamy and Lincoln’s attempt to sneak into Mount Weather has brutal consequences. Abby fights to stay in control as Clarke steps up in her new leadership role. Meanwhile, with Monty and Harper still missing, a desperate Jasper confronts President Wallace and demands answers.

star 7.88
3,349 votes
Directors: P.J. Pesce
Writers: Charlie Craig
The Chosen

#15 - The Chosen

Season 4 - Episode 12

Jaha and Kane disagree over how to handle their grim reality. Meanwhile, Clarke leads a group to save a friend.

star 7.87
4,815 votes
Directors: Alex Kalymnios
Writers: Aaron Ginsburg, Wade McIntrye
Inclement Weather

#16 - Inclement Weather

Season 2 - Episode 2

A suspicious Clarke confronts President Dante Wallace and demands answers. Kane interrogates one of The 100, and Abby performs emergency surgery. Meanwhile, Octavia resorts to violence to find Lincoln.

star 7.86
4,153 votes
Directors: John Showalter
Writers: Michael Angeli
Human Trials

#17 - Human Trials

Season 2 - Episode 5

Kane leads a mission to make peace with the Grounders. Meanwhile, Jasper agrees to participate in a risky experiment, Lincoln enters a world of pain and President Dante Wallace issues a warning. Finally, Finn’s search for Clarke takes a violent turn.

star 7.86
3,951 votes
Directors: Ed Fraiman
Writers: Charlie Craig
Stealing Fire

#18 - Stealing Fire

Season 3 - Episode 9

Clarke discovers a shocking truth. Octavia is forced to make a decision that could have devastating consequences. Kane and Abby share a moment.

star 7.85
5,204 votes
Directors: Uta Briesewitz
Writers: Heidi Cole McAdams
Resurrection

#19 - Resurrection

Season 2 - Episode 13

Clarke begins to question Lexa’s leadership decisions. Abby struggles to help an injured Kane. Indra continues to push Octavia. Meanwhile, at Mount Weather, Jasper steps up into the role of leader, and Cage throws Maya into a life threatening situation.

star 7.85
3,376 votes
Directors: Dean White
Writers: Bruce Miller
We Are Grounders (1)

#20 - We Are Grounders (1)

Season 1 - Episode 12

Clarke and Finn escape one dangerous situation only to find themselves faced with a new enemy. Bellamy makes a heroic move to save Jasper. Raven faces a new danger, and Murphy finally gets his revenge. Meanwhile, those remaining on the Ark are coming to terms with the inevitable.

star 7.84
4,021 votes
Directors: Dean White
Writers: Tracy Bellomo, Akela Cooper
Damocles (1)

#21 - Damocles (1)

Season 5 - Episode 12

In part one of the fifth season finale, Octavia leads her people into war. While behind enemy lines, our heroes must overcome their differences to save Wonkru from extinction.

star 7.83
2,289 votes
Directors: Dean White
Writers: Justine Juel Gillmer
Red Sky at Morning

#22 - Red Sky at Morning

Season 3 - Episode 14

Clarke, Bellamy, Octavia, and Jasper hit a tragic roadblock. Raven and Monty make an important discovery.

star 7.83
5,155 votes
Directors: P.J. Pesce
Writers: Lauren Muir, Kira Snyder
Fog of War

#23 - Fog of War

Season 2 - Episode 6

Tensions run high between Clarke and Finn, while Raven discovers that Mount Weather is interfering with their communication systems. Meanwhile, Jasper and Monty discover the truth about what’s going on at Mount Weather and Octavia comes face-to-face with her worst nightmare. Finally, President Dante Wallace is about to be betrayed by those closest to him.

star 7.82
3,875 votes
Directors: Steven Depaul
Writers: Kira Snyder
Pandora's Box

#24 - Pandora's Box

Season 5 - Episode 4

Our Heroes are forced to rely on the help of Shallow Valley's dangerous new inhabitants in order to save some of their own, with surprising results.

star 7.81
2,836 votes
Directors: Dean White
Writers: Charmine DeGrate
Rubicon

#25 - Rubicon

Season 2 - Episode 12

Tensions between Clarke and Abby come to a head after Clarke crosses the line. Raven helps Bellamy navigate Mount Weather. Jaha and Murphy encounter a stranger who may not be what she seems. Octavia is prepared to fight for someone she loves. Meanwhile, things reach a breaking point at Mount Weather.

star 7.81
3,414 votes
Directors: Mairzee Almas
Writers: Aaron Ginsburg, Wade McIntyre