Walt takes control of business matters; Mike deals with the consequences of his actions.

Walt, Jesse, and Mike struggle over the future of their business, as occupational hazards weigh on Jesse.

Walt and Jesse formulate a new business plan. Walt shares a secret with Marie.

Walt celebrates another birthday. Skyler contemplates her options, and an associate puts a crimp in Walt and Jesse’s business strategy.

Walt and Jesse pursue an unlikely business partner. The DEA filters through various leads in hopes of finding something.

As Walt deals with the aftermath of the Casa Tranquila explosion, Hank works to wrap up his investigation of Gus’ empire.

Walt and Jesse team up to take on Gus. With Saul’s help, Walt finds an unexpected ally.

Hank pushes Gomez to pursue one last lead, while Walt struggles to protect the family. Jesse gets alarming news and rushes to meet with Mr. White.

Walt takes drastic action to protect his secret and Gus. Skyler’s efforts to solve Ted’s financial problems hit a wall.

Walt’s family worries when he doesn’t turn up for Walter, Jr.’s 16th birthday. Jesse is forced to put his lab skills to the test without Mr. White’s help.

Skyler develops an unusual solution to her money troubles. Hank enlists Walt to investigate a theory. Walt’s impatience with Jesse grows.

Skyler’s past mistakes come back to haunt her. Gus takes action to thwart his rivals. Jesse seeks Walt’s help, with mixed results.

Skyler makes an unsettling discovery. Walter, Jr. pushes his dad into a questionable purchase. Jesse offers Mike some unexpected help.

A frustrated Walt gambles on a risky new plan. Skyler’s business venture hits a snag. Hank recruits Walter, Jr. for an unusual outing.

When Jesse goes missing, Walt fears the worst. Skyler has an unlikely reunion. Hank shares some bad news with Detective Tim Roberts.

The Cartel takes steps to gain the upper hand. Walt and Skyler share an embarrassing secret with the rest of the family. Jesse’s activities draw unwanted attention.

Walt and Jesse face the deadly consequences of their actions. Skyler deals with a puzzling disappearance, as Marie struggles to help Hank with his recovery.

Walt attempts to form a new alliance as he plans his next move. Skyler pushes Walt towards a business opportunity, in hopes of protecting the family.

Events spiral out of control at Jesse’s place. Skyler reluctantly asks for Saul’s help. Marie returns to an old pastime and a friend asks Hank for help.

With Jesse on the run and Mike in hot pursuit, Walt negotiates a bargain with Gus and concocts a disturbing plan to provide for his and Jesse’s safety.

Skyler gets involved with Walt’s business while Hank struggles with recovery. Jesse has a startling discovery after meeting a girl at group therapy.

Against Walt’s advice, Jesse lashes out . Fearing for Jesse’s safety, Walt takes drastic action to intervene. A tragic event leads to a shocking confrontation.

As Hank’s hospital bills stack up, Skyler hatches a plan. Walt and Gus come to a better understanding. Jesse, looking for more independence, pursues a new opportunity.

Walt becomes obsessed with a contaminant in the lab and refuses to finish the cook until it is eliminated. A frustrated Jesse attempts to get Walt back on track.