TNT has ordered a fourth season of “Rizzoli & Isles.”

The fourth season of 15 episodes is slated to air next year. The drama follows Jane Rizzoli (Angie Harmon) and Maur Isles (Sasha Alexander) characters developed from Tess Gerritsen best-selling crime novels.

“Anchoring a new night in its third season, Rizzoli & Isles has proven itself to be a strong and enduring hit, not only in terms of the great storylines and performances, but also in terms of the show’s stellar ratings,” said Michael Wright, president, head of programming for TNT, TBS and Turner Classic Movies (TCM). “We’re thrilled that Rizzoli & Isles will continue to be a vital part of the TNT lineup.”

“Rizzoli & Isles” currently airs Tues., at 9/8c on TNT.