The Librarians: Season 4
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of The Librarians Season 3.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 4 Progress Shield
And the Dark Secret
Dec 13, 2017
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 Fl
And the Steal of Fortune
Dec 13, 2017
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. Despi
And the Christmas Thief
Dec 20, 2017
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
And the Silver Screen
Dec 20, 2017
When Flynn and Baird are sucked into Baird's favorite classic Film Noir movie, the Librarians are drawn into the world of movie magic - literally - where they'll need to perfect th
And the Bleeding Crown
Dec 27, 2017
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 pr
And the Graves of Time
Dec 27, 2017
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
And the Disenchanted Forest
Jan 3, 2018
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 dis
And the Hidden Sanctuary
Jan 10, 2018
After Cassandra freezes up during a mission, she decides it's past time to go on a vacation. Searching for her ideal town, she lands on Havenport, the "Safest Town in America." At
And a Town Called Feud
Jan 17, 2018
When a Civil War re-enactment in a town called Feud is plagued by ghosts, the Librarians have to uncover the truth of what really happened there over 100 years ago.
And Some Dude Named Jeff
Jan 24, 2018
When Jenkins body-switches with a 28-year-old slacker named Jeff, he must find his way back into the Library to correct the mistake. But he will need a team to do it, and enlists t
And the Trial of the One
Jan 31, 2018
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 sel
And the Echoes of Memory
Feb 7, 2018
After the world is morphed into a horrible and unrecognizable place – one where the Library never existed – it's up to Baird to bring the Librarians together before this bleak, kno