When the Librarians are sent to an international boarding school to investigate an outbreak of inexplicable rage, they encounter a mysterious man claiming to be the legendary wizard Merlin.

A freed genie is granting wishes across Belgrade, leaving chaos in his wake; the Librarians must return the genie to his bottle before his magic spirals out of control, a task that proves difficult when Vikram makes a hasty wish, magically tethering himself to Jacob Stone.

While investigating a spate of missing bankers in London, the Librarians discover a sinister new incarnation of Peter Pan is recruiting the next generation of Lost Boys; when Charlie becomes one of his captives, the team must venture into a twisted version of Neverland, disguising themselves as characters from Pan's world in a daring attempt to rescue her.

When Connor is bewitched by a smell spell and becomes a contestant on a cooking competition show, the Librarians must break the enchantment by defeating the show's hosts.

The Librarians discover that the charming scientist Lysa is dating is actually the Red Rock, a superhero battling a crime wave across Belgrade; are his superpowers, and perhaps the crime wave itself, the result of a magical artifact being abused?

While on a mission to recover the missing bracelets of Castor and Pollux, the Librarians accidentally swap bodies with one another; as they race to locate the second bracelet, they discover Merlin has secretly swapped bodies with one of them.

While pursuing a Monkey's Paw, the Librarians become trapped in a strange hotel shrouded in a mysterious fog. To escape, the team must confront past traumas, and, in the process, learn the difference between what they wish for and what they truly need.

The Librarians investigate a magical ley line at a 200-year-old resort known for its venerable puppet theater. Their attempt to turn the mission into a vacation is thwarted when they uncover a sentient puppet's evil scheme to destroy the resort.

A distress call from Merlin leads the Librarians to a town where the entire population has mysteriously fallen asleep. As they search for the magical artifact behind the enchantment, the team must confront their darkest nightmares brought vividly to life.

The Librarians face their deadliest mission yet when a power-hungry Merlin returns to Camelot, determined to rewrite both the past and the future. Now, the team must stop the formidable wizard and prevent the collapse of time itself -- or die trying.