Season 4
13 episodes
1. Surprises
44m · May 23, 2013
Nick and Andy go missing while working under cover to infiltrate a meth pipeline; Swarek and the other officers find themselves in the middle of a rescue operation; Andy works to deal with all the change going on around her.
2. Homecoming
44m · May 30, 2013
On her first day back, Andy is forced to work a bank robbery case with newly promoted Swarek; a distraught woman gives Nick perspective on his life with Gail; a bombshell is dropped on Noelle.
3. Different, Not Better
44m · Jun 27, 2013
Andy and Officer Cruz butt heads when a disturbed woman forces them to make a crucial decision; an armed burglar is sought after a string of ATM robberies; Dov and Chloe have to work together.
4. The Kids Are Not Alright
44m · Jul 11, 2013
During a routine traffic stop, Gail and Andy find a teenage boy bound and gagged in the trunk of a car; Oliver, Chris and Swarek track a gunman.
5. Poison Pill
44m · Jul 18, 2013
When an arrest reveals that drugs contaminated with a deadly bacteria have hit the street, the squad rushes to control the situation; Marlo reveals a shocking secret; Dov suspects Chloe of hiding secrets.
6. Skeletons
44m · Jul 25, 2013
When the investigation of a missing girl is linked to a past case, Detective Luke Callaghan comes back to help with search; Traci realizes she needs to get past Jerry's death; Sam and Andy face their past.
7. Friday the 13th
44m · Aug 1, 2013
When a missing persons case is reopened, Swarek teams with his training officer to solve it; Chloe and Dov deal with a witch and her client.
8. For Better, for Worse
44m · Aug 8, 2013
A robbery on a casino-bound bus filled with seniors threatens Frank and Noelle's wedding; Traci loses Noelle; Andy and Nick share an intimate moment.
9. What I Lost
44m · Aug 15, 2013
The squad searches for Chris' son Christian after he is kidnapped.
10. You Are Here
44m · Aug 22, 2013
A routine drug bust turns into Traci's first murder case; Swarek, Oliver, Chris and Dov spend a weekend at Oliver's cabin; Andy and Sam both have confessions to make.
11. Deception
44m · Aug 29, 2013
Andy finds out Marlo has been carrying out an unauthorized investigation into a pedophile; the drug sweep Traci is overseeing takes an unexpected turn when Sam leaves to help Marlo.
12. Under Fire
44m · Sep 5, 2013
When Andy and Chloe respond to a routine 911 call, they are blindsided by an unseen shooter out for revenge.
13. You Can See the Stars
44m · Sep 12, 2013
Following violent, targeted attacks on 15 Division, the officers must piece together a past crime in order to find Oliver; the shooter's plan is revealed.