On TV the week of December 31st, 2012

The Gunsmoke crew, led once again by Scott, builds a massive avalanche-triggering gun with two interchanagable barrels for a 50 calibre and a 20mm bullet. A female shooter orders an AR-10 with a grenade launcher to take back to her women's pistol league.

Bourdain travels back to Japan, this time to Cook it Raw, an event that brings the world's leading chefs together annually to exchange ideas, experiment with new dishes, and gain knowledge from local farmers, fishermen and artisans.

Denise finds that she is a kidney match for Claudia Joy, causing her and Frank to make a difficult decision. Joan is concerned about David meeting his birth father. A recovering Jackie reveals her past to the wives. Dr. Hanson decides he must transfer to another base rather than risk his or Tanya's future in the Army. Just as Trevor is considering training with an elite unit away from Fort Marshall, Roxy discovers she's pregnant.

Ton and Allen contend with a large crowd of inexperienced auction-buyers at a huge storage container auction in Pasadena. They find a small fleet of Segway personal transporters and an enormous custom-made shotgun.