Dexter races to find the missing kidnapped child before it's too late. Deb visits her godfather in the hospital and rethinks her future. Harry comes face-to-face with a serial killer... leading to a shocking result. Season finale.
Deb sneaks away for a trip with her mysterious boyfriend; Dexter is tasked with finding her; Harry and LaGuerta travel to Tampa to look into a potential serial killer on the loose; Miami Metro closes in on suspects in the child kidnapping.
After a failed SWAT operation, Dexter pursues a child abductor. Deb shadows her father at work, gaining new perspective on Miami Metro. Harry investigates a serial killer but withholds his suspicions from LaGuerta.
Dexter needs to find a new hiding place after his most recent dumping ground is blown. Harry and LaGuerta pitch a controversial theory to Spencer, as the hunt for a missing child continues.
Young Dexter Morgan struggles to keep his urges in check while navigating life with his father, Harry, and sister, high-school senior Deb. After Harry has a health scare, Dexter realizes it may finally be time to fulfill his destiny.
Miami Metro is shaken by a kidnapping that hits close to home, as Dexter sets his sights on a killer that slipped through the cracks of the justice system. But first, Dexter must survive a double date with Deb and her new boyfriend.
After a kill goes wrong, Dexter is grounded by Harry; Deb deepens her relationship with Gio, and bonds with her brother on the anniversary of their mother's death.
Dexter targets a retired mob hitman (who may still be killing), as Harry works the gruesome murder case of a ten-year-old boy; Deb sneaks into a nightclub with Sofia and meets an exciting new friend.
