The team rushes to a crime scene after receiving an “agent needs assistance” page and learns that one of their own is in peril.

When extremely educated new intern Dr. Oliver Wells (Brian Klugman) starts working at the Jeffersonian, his quick-learning, enthusiastic personality challenges Brennan as he gets under her skin with his eccentric…

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

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.