Flynn Carsen, a professional student with 22 academic degrees. When he is booted out of his archeological dig, Flynn is hired by the Metropolitan Public Library as The Librarian. What Flynn does not realize is that the library has existed for centuries and protects a range of historical and often magical items in a secret section of the library, including The Ark of the Covenant, Pandora's box, and Excalibur. When part of the Spear of Destiny is stolen from the library, Flynn must recover it with the help of Nicole Noone, a beautiful marshal arts expert.
Flynn Carsen, a year after his first mission as the Librarian, has been on many more death-defying missions to protect the world from evildoers, including a trip to Utah to recover a mystical crystal skull. Upon his return to the Library, the audience is introduced to more mythic artifacts stored there: The Head of Medusa, the Trident of Poseidon, the Shroud of Turin, and the Pipes of Pan. He has moved out of his mother's house into his own apartment, but still feels held back by Judson, his supervisor, who tells him that "sometimes you have to give up what you want for the greater good" in order to go from being a "good librarian" to a "great librarian".
Curse of the Judas Chalice finds Flynn suffering from a series of strange dreams which lead him to New Orleans, where he finds himself in the midst of uncovering a conspiracy that involves the notorious vampire Prince Vlad Dracul. Once again, Flynn must overcome his fears and protect one of the world's most sacred artifacts, the Judas Chalice, or face the consequences of it falling into the wrong hands.
Stone, Cassandra and Ezekiel have a proper team-up for the first time in months when they investigate a cave-in at an oilrig site, which has unleashed Hokolonote, a shape-shifting god who grows in strength any time a lie is told. Now the Librarians have to come clean to each other, airing their issues and solving the riddle of the ancient prison that held Hokolonote. AKA Coyote
Students start disappearing at Wexler College, an institution started by a mad historian/architect who believed in alternate dimensions. When the Librarians arrive, they discover a young student from the physics department is investigating the bizarre occurrences on her own. Meanwhile, Cassandra gets an offer that's difficult to turn down.
The team has scattered, all living the ideal versions of their lives. Soon these “strangers” are drawn together to solve a supernatural mystery – the appearance of Ariel, the sprite bound to Prospero's service. Can the Librarians do what no other human has ever been able – turn their backs on their own ultimate happy endings?
The Librarians discover that Prospero's renewed magic is wreaking havoc with the technology of the world. He is recreating an idyllic forest utopia, whether we want one or not. In order to stop him, Flynn and Baird must travel back to 1611, while the rest of the team battles Prospero in the present. Little do they realize that they can only defeat Prospero in each time by finding a way to work together – separated by five centuries.
When the Egyptian God of Chaos inhabits a human body, he attempts to release Pure Evil into the world, thus beginning the final battle of Good vs. Evil. In order to stop him, the Librarians must decipher a series of clues within a science museum, including a mysterious warning spoken by exhibit mannequins that have come to life.
When a secret sect of the Vatican Church unearths an ancient map detailing the locations of the four cornerstones of the Library of Alexandria (the original Library), it’s up to Flynn and the Librarians – with the help of an unexpected ally – to stop them before the stones can be used to destroy the Library.
When people begin getting hurt in the unluckiest of ways, the Librarians are led to a casino where the owner appears to possess an artifact capable of stealing people's luck. Despite falling under the bad luck curse themselves, the Librarians must turn the tables before the plague of bad fortune spreads to the wider world.
When Santa takes Flynn, Baird and Jenkins on his first vacation in centuries, he leaves his beloved sleigh in the care of the Librarians. But when Ezekiel's career criminal mother steals the magic door, they must use the sleigh to save her, as well as Christmas itself, from Santa's Grinch of a brother, the Patron Saint of Thieves.
A Librarian from the past teams up with the Librarians of the present to take down an ancient and powerful enemy let loose in the modern day. When superfan Flynn is met with the prospect of teaming with his Librarian hero Darrington Dare, he could not be more excited, until Darrington leaves the Librarians with this dire warning: There can be only one Librarian – ignore at your own peril.
When Baird goes after Nicole Noone in an attempt to repair her rift with the Library, she ends up joining Nicole in a mission to retrieve a dangerous artifact before it falls into the hands of Russian grave robbers. But can she convince Nicole to forgive the Library and return home with her? Or, will Nicole open Baird's eyes to the dangers of a Guardian dedicating herself, heart and soul, to the Library?
When dissension threatens the group, Baird takes the Librarians to a charismatic self-help guru’s team building camp on the edge of a forest where people have been mysteriously disappearing. Is there a monster in the woods? Or is something more sinister going on? And can the Librarians get their team mojo back in time to defeat it?
It's time to choose the singular Librarian to tether with Baird, but no one can decide so the Library takes it upon itself to help. Reducing the Librarians to their most primal selves and abandoning them in a landscape of their own nightmares, it's The Trial of the One - but can they regain their humanity in time to stop the bloodshed and prevent the death of two Librarians AND Jenkins?