The Librarians travel to an international boarding school to examine a sudden wave of unexplained anger, where they meet a puzzling stranger who says he's the famed sorcerer Merlin.

Investigating vanishing bankers in London, the Librarians find a dark Peter Pan recruiting new Lost Boys; when Charlie is captured, the team enters a warped Neverland disguised as storybook characters to save 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

While recovering the missing bracelets of Castor and Pollux, the Librarians accidentally swap bodies. As they race to locate the second bracelet, they discover Merlin has secretly swapped bodies with one of them.

The Librarians hunt for a Monkey's Paw but get trapped in a fog-covered hotel. They must face their past traumas to escape and discover the difference between their wishes and true needs.

The Librarians check out a magical ley line at a historic 200-year-old resort with a famous puppet theater. Their vacation plans fall apart when they discover an evil sentient puppet plotting to destroy the resort.

While the rest of the team is away on a Library retreat, Charlie receives a call on a mysterious toy phone from a child trapped in a haunted house.

The Librarians help Vikram's lost love Anya solve a mystery using letters sent through time, stopping magical Victorian-era events from creating dangerous consequences in the future.

A distress call from Merlin leads the Librarians to a sleeping town, where they must hunt for a magical artifact while battling their darkest nightmares brought vividly to life.

The Librarians face their toughest mission when power-hungry Merlin returns to Camelot to rewrite history. They must stop him and save time itself.