Watch The Librarians: The Next Chapter on TNT. The most powerful wizard in history has arrived, but can the Librarians actually trust him? Dominic Monaghan steps into The Librarians: The Next Chapter as the legendary, mischievous Merlin. While Vikram Chamberlain (Callum McGowan) might be a fan, Mrs. Astolat (Caroline Loncq) isn't falling for his charm. Watch to see if this ancient master of the arcane is a powerful new ally or a deliciously dangerous enemy. #TNT #DominicMonaghan #CarolineLoncq #CallumMcGowan SUBSCRIBE: bit.ly/SubscribeTNT Download the TNT App: bit.ly/1GcZDJb About The Librarians: The Next Chapter: Step back into the magical universe of TNT’s hit fantasy-adventure series “The Librarians: The Next Chapter,” returning for a sophomore season of mystery, magic and mayhem on Sunday, August 2 at 9 p.m. ET/PT. The newly expanded team of Librarians and unconventional heroes are pushed to their limits as they take on fantastical missions filled with high-stakes ...