The Librarians is back with two episodes this Sunday, titled 1×07 ‘And The Rule of Three’ and 1×08 ‘And the Heart of Darkness’. Watch the trailer above and read their synopsis below:

1×07 “And the Rule of Three” – Sunday, Jan. 11, at 8 p.m. (ET/PT)

When a group of competitive high-school students start undercutting each other with witchcraft, the Librarians have to intercede before disaster destroys them all. Directed by Marc Roskin and written by Paul Guyot & Kate Rorick.

1×08 “And the Heart of Darkness” – Sunday, Jan. 11, at 9 p.m. (ET/PT)

The Librarians encounter the House behind the legend of ALL haunted houses and set out to destroy it. Directed by John Harrison and written by Geoffrey Thorne.