Dexter and Lumen vet and stalk a violent killer; Debra gets into some unexpected trouble from the fallout of the Santa Muerte case

Dexter is called to investigate a horrifying crime scene; the Santa Muerte case leads to a violent standoff between Debra and the Santa Muerte killers.

Dexter is drawn into a precarious situation; Batista discovers an interesting lead; Quinn gets information about Dexter from a questionable source.

Dexter is saddled with an unwanted conspirator; Dexter worries about how Rita’s death will affect Harrison; Deb works alone; Quinn enlists an old friend’s help.

Dexter must save a life; Deb has a confrontation with a key suspect; Quinn follows up on the similarities between Dexter and Kyle Butler.

Dexter hires a nanny; Debra is annoyed with her new partner; Quinn continues to investigate Rita’s murder.

Dexter tries to focus on the children and fight his dark urges; Debra ends up on Quinn’s doorstep.

Dexter must make a choice; Quinn stirs up trouble for Dexter but supports Deb.

The Man in Black’s final fate is determined, and one survivor must make the ultimate sacrifice to save the island. Meanwhile, in another life, the ones who might have been…

Jack, the new protector of the island, meets with Locke and they go past the bamboo field with Desmond to visit the heart of the island. The Man in Black’s…

While Locke devises a new strategy, Jack’s group searches for Desmond.

The motives of John Locke are finally explained.

After the remaining survivors are reunited, Sawyer and Jack hatch a plan to divert the Man in Black’s attention and leave the island without him on Widmore’s submarine, but disastrous…

Alliances are forged and broken as the Locke and Jack camps merge.

Hurley worries about what the group should do next and Locke is curious about the new arrival in his camp.

Desmond wakes up to discover he’s back on the island.

Sun and Jin desperately continue their search for one another, and Locke confronts his enemy.

Richard Alpert faces a difficult choice.

Locke tasks Sawyer with a mission.

Ben deals with the consequences of an uncovered lie.

Sayid is faced with a difficult decision, and Claire sends a warning to the temple inhabitants.

Hurley must convince Jack to accompany him on an unspecified mission, and Jin stumbles across an old friend.

Locke goes in search of help to further his cause. Kate finds herself on the run, while Jack is tasked with something that could put a friend’s life at risk.

Kate finds herself on the run, while Jack is tasked with something that could put a friend’s life at risk.

Jack, Sawyer, Kate, Miles and Hurley, struggling to save Sayid, face an ancient secret. Meanwhile, a fake Lock exits the chamber to everyone’s awe.

A parallel universe, in which the crash never happened, is revealed as an aftermath of the bomb’s detonation. Meanwhile, Sawyer blames Jack for the loss of Juliet and the true…

When Ben prevents Leslie from holding a children’s concert, she takes matters into her own hands. Mark makes some big decisions about his life, and Andy gets some unexpected romantic…

Leslie is disappointed when her new park plans are put on hold by a visit from two state auditors. April has plans for Andy at her birthday party, and Ann…

Leslie hosts a late-night shift for a local telethon, and lands former Indiana Pacer Detlef Schrempf as a celebrity guest. Meanwhile, Mark has big plans for his relationship with Ann.

Ron is furious when April mistakenly schedules a ton of meetings for him. Meanwhile, Leslie fights to preserve a historical landmark.

Preparing the Summer Events Catalog, Leslie decides to take Ron and the past directors of the Parks Department out for a picnic lunch. Tom enlists the help of Ann and…

After Jerry gets mugged by a bunch of kids, Leslie meets with the head park ranger in hopes of improving park safety. Meanwhile, everyone tries to be nicer to Jerry…

When a possum bites the mayor’s dog on a golf course, Leslie is asked to form a task force to catch the pesky animal. Meanwhile, Ron is upset when Mark…

Leslie is outraged when Ron wins a “Woman of the Year” award for a project she started. Meanwhile, Tom is desperate to find some money to invest in a local…

When Leslie hears her mom’s story about an old flame, she and her boyfriend Justin track him down and reunite them on Valentine’s Day. Meanwhile, Andy and his band are…

The Parks Department forms a partnership with a local company to sell energy bars at the parks in Pawnee, but Leslie tries to stop the deal when she discovers how…

After an amazing date with Justin in Indianapolis, Leslie tries to impress him with a dinner party at her house.

Ann sets Leslie up on a blind date with a co-worker, which does not go as well as Leslie hoped. An old friend of Ann’s makes Mark feel insecure.

Charlie is miffed over Alan’s planned attendance of Chelsea’s birthday party and suffers the indignity of having Jake chauffer him around following a license suspension.

Charlie is visited by the ghosts of his ex-girlfriends while Alan and Jake are on a road trip.