The Librarians Season 4 Trailer The Librarians Season 4 premieres Wednesday December 20th on TNT! Show More… Comments Related Videos The Librarians Season 3 Trailer #2 (HD) The Librarians Season 3 “Adventure” Promo (HD) The Librarians Season 3 “Ace” Promo (HD) The Librarians Season 3 “Dream” Promo (HD)
