After catching an international arms dealer, the NCIS team learns that Navy’s highly classified weapons system will be sold to “La Grenouille,” an important arms dealer. To stop the transaction,…

Chuck and Sarah learn who is trying to destroy Carmichael Industries. Ellie’s Christmas plans come undone. A computer virus threatens to ruin Christmas at Buy More.

The squad identifies the Ice Truck Killer; Rita’s ex-husband, an abusive addict, is paroled.

The Skins make all the humans in Roswell, New Mexico disappear turning it into a ghost town.