Three years into the zombie apocalypse, a ragtag team of everyday heroes comes together to transport the only known survivor of the zombie virus from Upstate New York to a lab in California, in hopes of using his blood for a vaccine. A zombie baby proves to be an early obstacle, and what they don't know is that their last, best hope for a vaccine is hiding a dark secret that threatens them all.
In New Jersey, the survivors run out of fuel and embark on a dangerous mission to replenish their supply. Meanwhile, Cassandra's past comes back to haunt her.
The survivors make their way through the mean streets of Philadelphia, where they cross paths with a group of psychotic outlaws with ties to one of their own.
What's worse than a zombie? An army of zombies (as in, literally a zombie army). Plus, 10K's mysterious past revealed.
The survivors visit Warren's home town in Central Illinois, but will they find her long missing husband? Oh, yeah - there's also a zombie tornado that leaves everyone in danger.
An encounter with a seeming Utopian enclave and a religious cult results in a game changer when the survivors travel near Branson, Mo.
The survivors struggle to recover from a shocking death; and in Kansas they happen upon a gun show that makes the zombie apocalypse look calm.
As they travel across Nebraska, the group finds themselves trapped in a morgue as a literal zombie tsunami engulfs them; at the same time, Citizen Z gets a visitor who might not be who he seems to be.
Mack attempts to go on a real date with Addy, but ends up stuck in some Groundhog Day-like nightmare.
The survivors square off against radioactive zombies when they arrive in a South Dakota town that's on the brink of nuclear disaster.
The two groups of survivors reunite in Utah, where they come upon an all-female commune that seems like paradise—that is, until someone ends up dead.
Murphy is kidnapped by a group of outlaws trying to crack the "Fort Knox of Oxycontin." As the survivors battle drug-enhanced zombies, a startling discovery is made about Murphy's abilities.
The team is rerouted to a Colorado lab where they hope to find Dr. Merch.
A flashback to events before the conclusion of season 2 introduces a new villain to be dealt with.
Warren and team encounter the sole inhabitant of a strange town; Murphy begins a new mission.
More people flock to Murphy's new cult; the others are stuck in the middle of a war.
A pack of wolves stalks an injured and alone 10k.
The residents of a mental hospital capture Doc.
The Man discovers Lucy's existence; 10K reunites with the gang and he tells them about Murphy's growing army.
On the road to find Lucy in Illinois, Doc and Addy are forced off the road by a retro presidential limo. Turns out Sketchy is running for "President of the Apocalypse" with Skeezy as his campaign manager. Doc and Addy follow them to Wall Drug, South Dakota and witness the somehow lucrative, always entertaining train wreck that is Sketchy and Skeezy.
Warren and the others inspect Murphytown and realize they are going to need a bigger army to extract Murphy.
Doc and Addy try to convince Lucy's family to follow them; Murphy tests 10K's allegiance.
Doc tries to find a way to communicate with Warren, but instead encounters something much more menacing.
Warren leads an attack against Murphytown to extract its smug leader.
Addy is being pummeled with whatever The Man can throw at her, and Lucy does the same to The Man.
The gang reunites and faces the biggest battle yet.
Warren's Apocalyptic Dream of a Black Rainbow sends our heroes on a mysterious new mission to save the Apocalypse from something even worse. Warren awakens from a Coma to find herself in ZONA two years later, with Murphy seemingly cured, and the rest of our heroes either dead or fighting for their lives against unkillable "MAD-Z's" caused by an evolving Zombie Virus.
Warren recovers from the drone crash with handsome, mysterious Cooper; Doc and the others finally arrive in Newmerica, where they meet George, who is helping form the new country.
Warren must leave her new life behind and find her way to Newmerica, reuniting with Murphy and the other heroes, while discovering George is an old friend.
10K nearly loses everything as panic and anti-Talker sentiments flare after an explosion derails the vote.
Warren and George search for Lt. Dante, who may be part of an underground network helping Talkers flee human vigilantes.
Pacifica is bombed, and our heroes decide to follow the Talker Underground to stop whoever is behind the attacks.
Warren and the others are reunited with Addy in “Limbo,” an underground casino run by Murphy and his Blends that shelters Talkers on the run from Altura Militia.
As Doc explains his version of American History to George, Sketchy and Skeezy re-enact Doc’s stories about the Founding Fathers, while Warren and the others go the bakery that invented bizkits in search of the secret ingredient.
Our heroes arrive in the farming outpost that produces flour for bizkits and find it overrun by zombies.
Doc must spirit walk again to help save the Chief of the Water Keepers and get the water flowing to Newmerica.
Altura militiamen force Talkers to mine a hazardous waste landfill for the secret ingredients for Bizkits.
With some help from an outpost of renegade hackers, Warren and George hack Altura’s defenses and discover Estes’ secret plan.
Warren and the others must free the Talkers being held in Quarantine and prepare to attack Altura.
The heroes break into Altura in an attempt to bring Pandora and Estes to justice, Cooper reappears, shocking Warren, and there’s something he has to tell her.
