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

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

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

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

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

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

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

Before we start our look at Season 4, we talk to friend of the pod and all round nice guy, Mr Joe Hickey about all things BB