The network still has some unaired episodes from its 2013 order for eventual telecast. UPDATE: The 13 episodes for the third season will be in addition to those still waiting to air from Season 2..

Here's the official word:

CBS has given UNFORGETTABLE a 13-episode third season renewal for broadcast in summer 2014.

This past summer, UNFORGETTABLE averaged 8.23 million viewers, 1.4/04 in adults 18-49 and 2.0/05 in adults 25-54, more than double the year-ago Sunday (9:00-10:00 PM, ET/PT) time period in all these measures. It ranked as Sunday's top scripted program in viewers.

UNFORGETTABLE stars Poppy Montgomery as a police detective with a rare condition that allows her to remember and readily access the details of every moment in her life, and Dylan Walsh as her ex-boyfriend and partner.  It also stars Jane Curtain, Dallas Roberts, James Hiroyuki and Tawny Cypress.  The series is produced by Sony Television Studios in association with CBS Television Studios.   Sarah Timberman, Carl Beverly, Ed Redlich and John Bellucci are executive producers.