Despite its "death-defying" history, the series was officially canceled for the third and final time on February 16, 2016, shortly after the Season 4 finale aired. A&E opted not to order a fifth season, and unlike previous cancellations, no further efforts were made to find a new home for the show.
The fourth season of marked a major turning point for the series, characterized by a move to a new network and a significant cast overhaul . Originally a CBS procedural, the show was picked up by A&E for its final 13-episode run after being canceled by its original network twice. Production and Network Transition
: Jane Curtin, Tawny Cypress, and Dallas Roberts left the main cast, though Roberts made guest appearances. Skeet Ulrich joined as Carrie’s mysterious husband, Eddie Martin, a role originally played by Michael Dempsey. Season 4 Plot Highlights Unforgettable - Season 4
After CBS passed on a fourth season in 2014, Sony Pictures Television successfully shopped the series to A&E. The season premiered on November 13, 2015, airing back-to-back episodes on Friday nights. The move was partly driven by the show's strong international performance, which allowed for a more affordable licensing fee for the cable network. Major Cast Changes
: Poppy Montgomery (Carrie Wells), Dylan Walsh (Al Burns), and James Hiroyuki Liao (Jay Lee) were the only core regulars to return. New Regulars : Originally a CBS procedural, the show was picked
: The romantic tension between Carrie and Al remained a central theme, though they prioritized their professional relationship.
The season continued to follow Carrie Wells, a detective with hyperthymesia (perfect recall), as she and her partner Al Burns solved complex crimes. Season 4 Plot Highlights After CBS passed on
Due to the gap in production, many original actors' contracts had lapsed, leading to a substantial "revamp" of the supporting cast.
