Friction erupts between Kourtney and Kris over a cover shoot fiasco. Meanwhile, Rob is trying to adjust to living with his girlfriend.

The remaining teams continue the race, resuming their jaunt through Siberia.

Steve signs Stan up for a father-son bike tournament, but the plan veers off-track when Stan admits that his father never taught him how to ride a bike. Determined to make things better, Steve helps reconcile Stan with his convict father. Meanwhile, Hayley needs internship credit for school, so Roger hires her to bartend at his makeshift bar in the attic.

The week's task is to design an original wedding dress and sell 125 of them from a provided retail space.

Peter finds an old winning raffle ticket from 1989 that entitles him a golf outing with O.J. Simpson. After befriending him, Peter brings O.J. home home to meet the family. However, the people of Quahog aren't too fond of the former running back.

Lisa infiltrates a convent in order to steal back Maggie who was accidentally taken in by nuns. While in the convent, Lisa uncovers a series of cryptic clues leading to a hidden jewel in Springfield. With help from resident history buffs Principal Skinner and Comic Book Guy, Lisa sets off to find the coveted prize. But Springfield's Freemasons are also hot on the trail of the jewel, and Lisa must race against them to find the jewel and rescue Maggie.

Battles between the neighboring nations of Gilboa and Gath rage. One soldier named David Shepherd, takes action when he sees prisoners of war taken. After crossing enemy lines to rescue them, he is told he just saved the king of Gilboa's son. His life forever changes in that moment.

After Peggy finds out that she is not cool she befriends one of Arlen's most glamourous and cool moms in an effort to learn how to be cool.

Sonny and Tawni's blossoming friendship turns sour when a popular gossip blogger posts the results of a poll, pitting the two teen stars against each other. Can their friendship survive when Tawni's ego takes a major blow?

Emma starts doing pot to get rid of her "plain girl" image. After ingesting marijuana brownies and forgetting to take her insulin, Becca goes into a diabetic coma and has to be taken to the hospital. While in class, Emma learns that the campus cops are doing room searches. She calls Kelly to get rid of the marijuana brownies. When Kelly is leaving the room, he runs into campus cops and they find the marijuana brownies. He gets kicked out residence but is still allowed to go to school. K.C. is found to be living in a group home because of his previous life in juvie.

Bill refuses to ask Nicki to come back home. Barb is in trouble with the church. Nicki runs into a man from the past. Ted tries to squeeze Bill for a share in the casino business but runs into trouble with the Greenes.

Kevin & Justin take Tommy on a getaway to help him make a decision about his legal future. Meanwhile, Kitty and Evan retreat to Nora's to get acquainted with her new half brother; While Robert recovers.

Instead of another cold case, the team takes on a more urgent matter when one of their own is shot at a local convenience store.

When Susan tries to impress Jessie (guest star Swoosie Kurtz), a teacher at work, Jessie comes away with the wrong impression. With the wrong intent, Gaby convinces Carlos to hire Lynette, and Carlos finds himself working with an old acquaintance (guest star Lesley Boone as Lucy). As Orson's shameful habit grows, Bree will protect herself from embarrassment at all costs, and a suspicious Edie slyly digs further into Dave's past.

Battles between the neighboring nations of Gilboa and Gath rage. One soldier named David Shepherd, takes action when he sees prisoners of war taken. After crossing enemy lines to rescue them, he is told he just saved the king of Gilboa's son. His life forever changes in that moment.

When a deadly gas is released into the air, the men and their families are trapped in their homes. Without an access to the outside world, they must find a way to survive this attack.

With Walt and Jesse trapped with Tuco, Marie and Hank comfort Skyler over his disappearance.

Tara and Kate go on a trip together. When they get into a fight, T appears and goes to a tattoo parlor. During the time when the two are away, Max decides to discover Tara's past.

Jemaine and Dave help Bret woo the clerk at the cheap zoo (pet shop). Jemaine also helps Murry seek forgiveness from Greg.

Kenny decides to give up on his dream of returning to professional baseball. Meanwhile, arrogant car dealer Ashley comes back into the picture.

Terry decides to franchise his crime empire and expand into the UK market, and Allison is promoted to a major role in the organisation. Aussie Bob goes to extreme lengths to buy out Terry's share of the drug business. Meanwhile, corruption in the NSW police and judiciary sinks to a new low.

The discovery of a body in a shallow grave by the Thames prompts DSs Ronnie Brooks and Matt Devlin to reopen an eight-year-old murder case. The man convicted of that murder is given leave to appeal and chooses to represent himself in court. James Steel, who prosecuted at the original trial, once again represents the Crown. With questions over the handling of the prosecution case, James's career is on the line. And the murders are not yet over.