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The CW | CBS Television | Warner Bros. Television | Alloy Entertainment | Bonanza Productions

The Definitive Ranking of ‘The 100’ Seasons

'The 100' ran for seven seasons, some great, some not-so-great. Here's the definitive ranking of each season from a die-hard fan.
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The 100 coincidentally had 100 episodes over the course of seven seasons. And while it was one of The CW’s best series, some seasons fell short compared to others. I’ve personally watched it three times all the way through, and if I’m being honest, I’m probably going to rewatch it next year. So, from a die-hard fan, here’s the definitive ranking of all seven seasons. Be prepared for spoilers if you haven’t finished the series.

Season 7

Clarke and Bill in The 100 Season 7
The CW | CBS Television | Warner Bros. Television | Alloy Entertainment | Bonanza Productions

If you’ve seen the show all the way through, you’ll probably agree that season seven did not live up to the prior seasons. One of the reasons is that the time fluctuations were confusing. By the time they were explained, it was too late to make any difference. The only saving grace was the finale because we see Lexa return (I’ll talk about her later). I honestly just “forget” this season ever happened.

Season seven picked up immediately where season six left off with Octavia going missing. In the season premiere, Bellamy gets taken by invisible beings, who we see again later in the season. We even lose a few of the best characters towards the end, while others who didn’t deserve redemption lived. I also really couldn’t stand Hope, who was introduced in the season six finale.

Season 5

Indra, Octavia and Kara in The 100 Season 5
The CW | CBS Television | Warner Bros. Television | Alloy Entertainment | Bonanza Productions

Season five was the show’s darkest season, and while it was okay, it just didn’t bring what I was hoping for. It only did better than season seven because we saw some of our favorite characters reunite, saw the formation of a new clan called Wonkru (pronounced “one crew”), and got great new characters.

This season jumped five years and brought the downfall of many fan-favorite characters. This was Octavia’s worst season, specifically because she let power go to her head. And it included a cannibalism plotline that I won’t even recap, because gross. It just went down a path I could’ve lived without.

Season 6

Echo, Bellamy and Clarke in The 100 Season 6
The CW | CBS Television | Warner Bros. Television | Alloy Entertainment | Bonanza Productions

Season 6 could’ve ranked higher if we’d gotten more episodes. Most of the seasons were 13 episodes, including this one, but I wanted more. I would have loved this season if there’d been more time to explore the new settlement, Sanctum, and their culture. But alas, it fell short.

Season six picks up over a century after season five, with Bellamy and Clarke waking from cryosleep to see their new home, an inhabitable moon called Alpha. There, they meet the Primes, the rulers of the settlement, and the Children of Gabriel, the outcasts of Sanctum. The season includes bodysnatchers, the deaths of many notable characters, and Madi’s role as the leader of the Earth survivors.

Season 3

Clarke in The 100 Season 3
The CW | CBS Television | Warner Bros. Television | Alloy Entertainment | Bonanza Productions

This season might have been better as two shorter seasons, but the way the creators paced it made it acceptable. Season three first follows Clarke on the run as Wanheda (or the Commander of Death) and the Ark survivors look for her to protect her. The second half focuses on A.L.I.E., a chip that brainwashes people, trying to cull the number of people on earth.

Season three included the very controversial deaths of Lexa (the Commander of the Grounders, the people who descended from survivors of the first nuclear devastation) and Lincoln (Octavia’s love interest). We get to see more of the Grounder clans and their customs. This was one of Clarke and Octavia’s best seasons but was Bellamy’s second-worst.

Season 1

Octavia, Jasper, Finn, Clarke and Monty in The 100 Season 1
The CW | CBS Television | Warner Bros. Television | Alloy Entertainment | Bonanza Productions

The start to this amazing show was near-perfect, laying the groundwork for the subsequent seasons. It introduced us to some of the most iconic characters, and adapted a book series and made it better. We get the chance to see what the earth could become if a nuclear apocalypse happened and nature could rebuild itself.

Season one sees 100 teenagers (plus stowaway, Bellamy Blake) get sent to earth from their space home, the Ark, to see if it’s inhabitable. It’s discovered it is, and that there are people, called Grounders, already living there. Simultaneously we see the Ark residents in space struggling to survive terrorist attacks, coups, and oxygen shortages.

Season 2

Clarke and Anya in The 100 Season 2
The CW | CBS Television | Warner Bros. Television | Alloy Entertainment | Bonanza Productions

Season two picks up shortly after season one with 48 of the 100 teenagers trapped under Mount Weather, a compound full of people whose bodies can’t handle the radiation. On the outside, the Ark residents that made it to earth in the season one finale are trying to survive their new world.

This is the first season we see Lexa, who I mentioned earlier. Lexa is Heda, or Commander, of the Grounders. She quickly became a fan-favorite and one of Clarke’s love interests. The struggle between the teenagers of the 100 and adults from the Ark resulted in some of the best moments of The 100. We also get to see Octavia begin her training as a warrior.

Season 4

Octavia in The 100 Season 4
The CW | CBS Television | Warner Bros. Television | Alloy Entertainment | Bonanza Productions

This was my favorite season, and I will die on this hill. It picks up right where season three left off, with Clarke telling everyone that a nuclear meltdown will destroy the world again soon. The entire season shows the aftermath of the brainwashing of season three and delves into the Grounder’s culture and history.

In season four, Clarke’s mother, Abby, takes a group to make artificial Nightblood, or black blood, so that more people can survive the extreme levels of radiation. Octavia deals with the death of Lincoln and ultimately saves the human race. And we see Clarke sacrifice her survival to save her friends. Thankfully, the Nightblood experiment saved her life, and she made it to the next season.