The Librarians The Next Chapter (2025 TV Series) - Season 2 - Episode 6

Season 2 (12 episodes, August 2–September 7, 2026 on TNT) raises the stakes with the return of the legendary wizard Merlin (Dominic Monaghan), whose awakening forces the team to question whether he can be trusted. The season brings back original Librarians Lindy Booth as Cassandra Cillian and Christian Kane as Jacob Stone for key episodes, while expanding the ensemble with guest stars including Jeremy Swift, Josh Gates, Stefan Kapičić, Oliver Dench, Ty Tennant, Flula Borg, and Alan Emrys. Episodes range from a genie‑fueled chaos in Belgrade to a haunted resort, a toy‑phone mystery that spotlights Charlie, and a two‑part finale where Merlin returns to Camelot and the Librarians must protect time itself .