Season 4
Episode Guide
Life And Death
S4
E1
Team races to rescue kidnapped Lopez on wedding day.
Five Minutes
S4
E2
Nolan/Chen tip on heist at Getty gala. Nolan asks Bailey out.
In The Line Of Fire
S4
E3
Nolan/Chen investigate suspicious fire. Team hunts sniper.
Red Hot
S4
E4
Nolan/Chen hunt missing person with intl. ties. Harper pursues arsonist. Wesley faces challenge.
A.C.H.
S4
E5
New designer drug turns users into 'zombies.' Nolan's team faces Halloween chaos.
Poetic Justice
S4
E6
Nolan's team hunts buried gold. Bradford persuades oldest cop to retire.
Fire Fight
S4
E7
Chen/Bradford seek treasure hunt rematch. Arrest wealthy criminals.
Hit and Run
S4
E8
Squad faces sovereign citizen, domestic terrorist plot. Angela/Wesley argue.
Breakdown
S4
E9
Wesley breaks contract, Nolan's relationship deepens, Bradford discovers family secrets.
Heart Beat
S4
E10
Nolan faces Bailey's past, plane crash investigation.
End Game
S4
E11
Team relies on criminal help, Chen/Bradford probe teen murder.
The Knock
S4
E12
Team investigates severed hand. Tim tries to prove he's not controlling to Lucy.
Fight or Flight
S4
E13
Nolan/Chen pursue stolen helicopter. Harper/Thorson guard cop killer.
Long Shot
S4
E14
Nolan/Harper assist Randy on first bounty. Chen/Bradford hunt citywide perpetrator.
Hit List
S4
E15
Harper's 'Plain Clothes Day' interrupted. Witnesses murdered, Grey in danger.
Real Crime
S4
E16
Thorsen's documentary crew does another update with the squad.
Coding
S4
E17
Nolan's team negotiates with hospital hostage-taker.
Backstabbers
S4
E18
Deadly train robbery sparks team investigation.
Simone
S4
E19
Nolan/FBI enlist trainee to investigate terrorism after power station explosion.
Enervo
S4
E20
Team/FBI race to stop truck bombs, suspect CIA involvement.
Mother's Day
S4
E21
Sgt. Grey supports Nolan's training officer goal. Tim/Lucy plan Mother's Day vacation.
Day in the Hole
S4
E22
Bradford and Officer Chen go under cover together in a possible drug trafficking case.