The CW's The 100 tackled covered a lot of ground over the course of its seven-season run, all while posing a single question about humanity: Is it possible to break the endless cycle of violence and tribalism human beings so frequently find themselves in? That theme runs through the show's episodes until the very end, even as storylines change from season to season.
And while The 100 typically resolved its major plot points before moving onto the next, there are a few subplots it never fully delivered on -- or dropped entirely. The longer a story gets, the more unwieldy all its separate parts become. That could be why fans never heard about some of these storylines again.
Mutated Animals: Forget About The Two-Headed Deer
Those who have been watching The 100 since the very beginning will remember the trepidation Clarke and her friends felt at finally stepping foot on the ground. Part of that had to do with the high levels of radiation on Earth when they arrived, and the series attempted to highlight that danger by introducing several mutated animals in its early episodes. Not only do Clarke and the others come across a two-headed deer at the beginning of Season 1, but Octavia almost gets killed by some kind of sea serpent. Unfortunately, the show never elaborates on either.
In Season 3, The 100 does briefly introduce a giant gorilla, presumably another mutation to come out of the apocalypse. These animals wind up serving as backdrop pieces rather than actual plot points, though, as the series never really shifts its focus to them or brings them up much again.
Raven And Wick: A Very Fleeting Romance
Raven Reyes doesn't have much luck when it comes to romance. To be fair, who on The 100 does? She's forced to watch two of her love interests die thanks to the series' brutal world, and another disappears altogether. While Raven's romances with Finn and Miles get some sort of closure at least, the show never bothers to tell fans what happened to her Season 2 fling, Wick.
While it's probably safe to assume the actor simply didn't want to return for another season, The 100 doesn't offer up any real explanation as to where he went. There's a brief line about him running off on some mission, but he never returns. Following the second and third apocalypses, he likely didn't make it.
The Reapers: What Ever Happened To Those Guys?
The 100's second season sees Skaikru and the Grounders taking on Mount Weather, and part of that involves dealing with one of the greatest threats: the Reapers. Grounders who have been drugged and turned into mindless soldiers, the Reapers play a significant role throughout Season 2. Not only does Lincoln get turned into one, but Clarke is able to form an alliance with the Grounders after figuring out how to turn them back into the people they once were.
Despite showing fans Clarke's breakthrough, however, the show never reveals what happens to the majority of Reapers after Mount Weather falls. Skaikru never makes an effort to retrieve them, and the Grounders wouldn't have had the medical supplies to wane them off the drug.
Murphy The Traitor: No Real Consequences
John Murphy takes on an antagonistic role during The 100's first season, eventually finding himself banished from the delinquents' camp and later selling them out to the Grounders. He's also responsible for the nerve damage in Raven's leg, and he shoulders some of the blame for Finn's killing spree in Season 2.
With all of that in mind, it's no wonder the majority of the main characters can't stand Murphy during the show's early seasons. However, when he returns from his journey with Jaha in Season 3, almost everything he's done seems to be forgotten. Sure, the group has other things to worry about at this point, but Murphy slides by with relatively few consequences for his earlier actions.
Shallow Valley: Attack Of The Killer Worms
Season 5 of The 100 sees Wonkru marching against Charmaine Diyoza and the other Eligius prisoners, two groups fighting over the last survivable land on Earth. While marching across the desert in "Shifting Sands," Octavia's army hits a snag in the road: parasitic worms.
Another animal mutation that doesn't get much screen time, the worms are briefly considered as an option for fighting Diyoza, but they never end up serving any real purpose.
The New Heda: Madi Becoming Commander
Following its Season 5 time jump, The 100 introduces a new character who appears to be incredibly important to its future storylines -- at least, until she isn't.
Clarke's adopted daughter Madi begins her tenure on The 100 as a strong-willed, sometimes stubborn teenager who's eventually forced to embrace her Nightblood and lead the Grounders into battle as their new Commander. Unfortunately, when the show jumps forward again, Madi winds up stepping back from the role due to her age and eventual PTSD. While both are valid reasons, it's a bit disappointing after the series built her up to play such a critical role.
Abby's Drug Addiction: It Needed A Better Resolution
Abigail Griffin deals with addiction in Season 5 of The 100 and it was met with plenty of backlash, mostly because of how the show handled such a relevant and heavy topic. It's true the series could have done a better job of portraying her addiction, but its biggest mistake was in how it ended this particular storyline.
After watching Clarke's mother fight and relapse, the series sort of just handles the problem by putting its characters in cryosleep, shifting the narrative, and then writing Abby off altogether. With no real conclusion or statement to make about addiction, one has to wonder why this storyline was included at all.
Kane Versus Octavia: The Showdown That Never Happened
Marcus Kane and Octavia had a decent relationship with one another until The 100's fifth season when Kane became one of the only people willing to stand up to an increasingly tyrannical Blodreina. This eventually resulted in Kane and Abby fleeing Wonkru to join the enemy camp. And although this seemed to be building to some sort of confrontation between Kane and Octavia, their feud was never rectified before the former took his final bow.
In fact, Octavia is partially responsible for Kane's death, but that's never dealt with in any significant way. She does confront Abby toward the tail end of Season 5, but it's not nearly as impactful as some sort of showdown between her and Kane would have been.
Jordan Green: What Was The Point Of The 100's Next Generation?
Although Monty and Harper's son Jordan has a few hero moments during The 100's final season, the show never truly capitalizes on his potential. Like Madi, Jordan presents an opportunity for the series to embrace a new generation of characters following the group's arrival on a new planet. In particular, he seemed to represent Monty and Harper's wish for a better, more peaceful world, suggesting he'd challenge their friends and their actions.
While Jordan does question their impact on Sanctum at the end of Season 6, nothing ever really comes of it. Throughout Season 7, he continually suggests he and his people approach things from a more peaceful standpoint, but that's about all he does.
Clarke And Bellamy: Reader, They Did Not Do Better
Whether the relationship between Clarke and Bellamy was intended to be platonic or not, there's no denying these two were the beating heart of The 100. As the series shifted its focus further and further from its lead duo, however, it began dropping the focal point of their combined narrative: their desire to right past wrongs and their promise to Monty that they'd "do better."
The Season 6 finale suggested The 100 would, at the very least, try to round out the show with Bellamy and Clarke facing this obstacle one last time. Not only does Bellamy insist that finally doing the right thing meant something, but he and Clarke vow not to lose sight of their friendship again. Unfortunately, Season 7 ignores all of this, dialing back all of their growth and development for the sake of shock value and tragedy.