The Library

Season 4 is the fourth and final season of The Librarians. It aired during the 2017-2018 television season. Unlike previous seasons, it featured twelve episodes instead of ten. Nicole Noone proves to be the season's Big Bad.


To be continued





# Image Title Air date
1 And the Dark Secret title card.jpg And the Dark Secret December 13, 2017
After a map detailing the locations of the four cornerstones of the Library if Alexandria is unearthed, Flynn and the Librarians work with an unexpected Ally to recover the stones before they can be used to destroy the Library.
2 And the Steal of Fortune title card.jpg And the Steal of Fortune December 13, 2017
When people begin getting hurt in the unluckiest if ways, the Librarians are led to a casino where the owner appears to possess an artifact capable of stealing people's luck.
3 And the Christmas Thief title card.jpg And the Christmas Thief December 20, 2017
While Eve, Flynn and Jenkins are at a party hosted by Santa Claus, his sleigh is left in the care of the library. It also happens to be All Thanksthieving Day, celebrated by thieves all around the world making Ezekiel feel like he needs to go home.
4 And the Silver Screen title card.jpg And the Silver Screen December 20, 2017
When Flynn and Baird are sucked into Baird's favourite classic Film Noir movie, the Librarians are dawn into the world of move magic.
5 And the Bleeding Crown title card.jpg And the Bleeding Crown December 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 and leaving the Librarians with a dire warning...there can be only one Librarian.
6 And the Graves of Time title card.jpg And the Graves of Time December 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 the hands of Russian grave robbers.
7 And the Disenchanted Forest title card.jpg And the Disenchanted Forest January 3, 2018
When dissension threatens the group, Baird takes the Librarians to a team building camp on the edge of a forest where people have been mysteriously disappearing.
8 And the Hidden Sanctuary title card.jpg And the Hidden Sanctuary January 10, 2018
After she freezes up during a mission, Cassandra decides it's past time to go on a vacation. While searching for her ideal town, she lands on Havenport, the "Safest Town in America".
9 And a Town Called Feud title card.jpg And a Town Called Feud January 17, 2018
When a Civil War reenactment in a town called Feud is plagued by ghosts, it's up to the Librarians to uncover the truth of what really happened there over 100 years ago.
10 And Some Dude Named Jeff title card.jpg And Some Dude Named Jeff January 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 before Jeff can cause any damage.
11 And the Trial of the One title card.jpg And the Trial of the One January 31, 2018
As tensions between the Librarians escalate over which of them is most deserving to participate in the tether ceremony with Baird, the Library steps in and turns each of them into their most primal selves and sent to face off against each other, in order to determine who is the most worthy.
12 And the Echoes of Memory title card.jpg And the Echoes of Memory February 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 back together before this becomes the new reality.


  • On March 8, 2018, it was announced that The Librarians was canceled and this was last season of the television series.