Unforgettable - Season 4 -

The season continued to follow Carrie Wells, a detective with hyperthymesia (perfect recall), as she and her partner Al Burns solved complex crimes.

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 Unforgettable - Season 4

: Poppy Montgomery (Carrie Wells), Dylan Walsh (Al Burns), and James Hiroyuki Liao (Jay Lee) were the only core regulars to return. New Regulars : The season continued to follow Carrie Wells, a

: Plots ranged from investigating high-stakes video game corporate espionage to a cold case involving con artists and a secret aerospace engineering mission. The move was partly driven by the show's

as Captain Sandra Russo, the team’s new boss. Alani "La La" Anthony as medical examiner Delina Michaels. E.J. Bonilla as Detective Denny Padilla.

: The romantic tension between Carrie and Al remained a central theme, though they prioritized their professional relationship.