The CSIs rush to stop serial arsonist Leonard Brooks after he begins using fire against people from his dark past.
Audrey and Nathan encounter a bizarre series of deaths suggesting a serial killer, with a unique “trouble”, is at work in Haven. Meanwhile, a Boston cop tries linking the town's latest body to similar cases.
An unemployed man and his pregnant wife pitch a party-favorite chicken dip; a professional football player's spring-loaded laundry hamper, a technophobe presents his wireless gadget that helps people keep track of their keys or cell phone.
When Sheldon learns that Penny is thinking about breaking up with Leonard, he tries to intervene. Meanwhile, in space, the other astronauts pick on Howard.
Sherlock uses his powers of deduction to consult on the murder of a young man who is shot upon entering his apartment. Meanwhile, Watson has dinner with her ex-boyfriend, Ty Morstan.
Sy's spy past comes back to haunt him when his former partner returns to kill him.
In this flashback episode, return to the site of the plane crash and watch as each doctor tries to cope with the heartache and injuries caused by the crash. Meanwhile, back at Seattle Grace, everyone struggles to find a bit of normalcy amidst the chaos.
More than 20 warships close in on the Colorado; as Kendal is forced into a battle on the ground, Prosser questions Marcus' judgement
The Machine delivers the number of a cold case that leads Reese ever closer to catching up with Finch and his kidnapper, Root.
Andy flaunts his genealogy when he discovers he's related to Michelle Obama. Meanwhile, Darryl struggles in his new post, Dwight teaches Erin a new language to wow her boyfriend's family, and Nellie tries to persuade Pam that Jim's having an affair.
Leslie helps a local swim team get more practice time by working on a new law that extends the hours at the community pool; Ron finds himself filling a pothole for a local woman (Lucy Lawless) as part of Chris' new plan to solve citizens' problems around the city; April and Ben take a road trip to Pawnee.
Lorenzo decides to live life on the wild side when he meets the fun-loving, carefree Bruno. Mac is convinced Bruno is bad news, but will Lorenzo listen - or will his new attitude spell trouble for him and his friends?
Reagan and Chris try to prove they're not boring. Elsewhere, Ava gets rid of clutter with help from Scott and meets her biggest fan.
Sarah and Chris are all about temporary fixes. A touch of paint here, a quick mend there but it’s just not cutting it anymore. It’s time to Leave it to Bryan to rip off the Band-Aid and fix it the right way.
The Team's friend Owen is really excited: he's about to get a haircut! But when Owen's money blows away, the Team sets out on a high-stakes adventure to get it back.
Pablo is a man with a natural ability for business. Early in his life, Pablo is introduced to the business of cocaine and the power it yields. A young life of crime lands Pablo in and out of jail as he builds his criminal empire. Pablo expands his power through politics but it is not long before his conflicts as a Congressman and a drug lord collide. Pablo has his enemies executed, but not before the United States activates its own war on the Medellin cartel.
Deena copes with being away from her boyfriend; Snooki makes a shocking announcement.
The cast return to the shore for their last summer in the Seaside Heights house in the premiere of the sixth and final season. Mike opens up about his time in rehab and Snooki faces the challenge of being pregnant in a party house.