June 29, 2012
TNT has announced that Rizzoli & Isles has been renewed for Season 4. The crime drama will return in 2013 with another 15 episodes - matching the number ordered for its current third season.
"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 network president Michael Wright. "We're thrilled that Rizzoli & Isles will continue to be a vital part of the TNT lineup."
Along with Rizzoli & Isles, TNT also renewed the 2012 return of Dallas today for a second season.
UPDATE: Season 4 of Rizzoli & Isles premieres on June 18, 2013.
(Source: TV by the Numbers)