The Discovery Channel HD (Pacific)

Josh Gates heads to an active dig site in Egypt where he joins famous archaeologist Dr. Zahi Hawass on the cusp of an incredible discovery -- the mummy of an ancient high priest.

For the first time in over 100 years, archaeologists have exclusive access inside the Valley of the Kings to excavate Pharaoh Ramses III's 3,000-year-old burial chamber, hoping to shed light on his brutal assassination as they search for burial treasures.

Inspect a Scottish site that became a military flashpoint; an Oklahoma ruin where Native American cultural genocide took place; look inside a crumbling Greek house of horrors and an Oregon military facility that once battled an imaginary enemy.

A series of questionable calls by Kris brings the Mistress to her breaking point; Mr. Gold takes a huge gamble by mining Cooper Gulch; Vernon acts on a hot prospecting tip; Emily's crew takes risky dives; Zeke's new girl is his gold luck charm.

Tow truck drivers hunt for illegally parked cars in Las Vegas; a driver gambles and accepts payment in casino chips; an urgent tow is needed at a drive-through wedding chapel; a big rig tow leads to a tense standoff; a tow truck driver is attacked.

Tensions run high on the streets of Las Vegas as the year comes to a close; Elmer has a blowout with his boss; Pineapple rips into a new driver over their worst tow ever; Nick deals with a raging customer.

At a call on the Strip, tow truck driver Shawn is shocked by a six-foot python in a car's front seat; TW tangles with a motel customer twice his size; when a gun is pulled, Elmer races to rescue a fellow driver in danger; a driver's window is smashed.

Pineapple argues with a woman who has a hall pass from her husband; Jeremy gets in a fight, and Elmer hunts for a massive haul; TW's easy tow turns into an ordeal, while a crazy customer goes ballistic on Bridgett; Shawn makes a spooky discovery.

Sparks fly at a strip club when TW's tow interrupts a bachelor party; Jeremy and Elmer join forces to tow an untouchable car, which leads to a standoff with the angry owners; A car owner gives Pineapple a kinky proposition.

The ladies of Vegas give the tow truck drivers a run for their money when Pineapple fends off a bevy of bachelorettes in a bus; Kyle encounters a showgirl; Shawn faces off with Goliath and scores are settled between the tow companies.

Multiple drug busts and arrests get made at various border crossings in Texas, including the discovery of the largest meth haul yet attempted at the Pharr-Reynosa International Bridge.

A woman is investigated for smuggling a baby; officers find packets filled with cocaine, meth, and heroin in carrots -- indicating gang involvement; two young women are caught smuggling pills; a wanted man triggers an alert.

A random inspection of travelers leads to the takedown of a cartel stash house; a young woman coming from northern Mexico unwittingly brings across an illicit load; a man is detained for an outstanding warrant he didn't know he had.

Officers examine a trailer filled with cooking supplies and unearth a GPS tracker, the kind cartels use to watch their loads; US citizens who accidentally approach the international border are inspected, and it turns out they have a few secrets.

Travelers attempt to smuggle firearms within a load of sporting goods; officers crack down on animal smugglers; visitors like to bring home traditional gifts to their families in America, but there's still a limit to what can come across the border.

Officers encounter people trying to bring in the odd, unlikely, and illegal; tourists who drink too much in Mexico run into trouble when reentering the U.S.; when a traveler's story doesn't add up, a rookie officer makes a record bust.

Behind the walls of Clayton County Jail, deteriorating infrastructure creates dangerous conditions for both inmates and staff.

Caddo Parish Correctional Center is struggling with a staffing shortage, the inmates outnumber the deputies by 180 to one; to ensure the safety of both inmates and staff alike, the Emergency Response Team springs into action.

Virginia Beach is a party town with a vibrant nightlife, making its Correctional Center one of the busiest city jails in the state. Here, some inmates arrive to go on vacation, then leave on probation -- and return on a violation.

In Bristol County Jail, half of the cells don't lock. As changing demographics bring in more violent, gang-affiliated criminals, staff must manage a higher-risk population without the facility slipping into chaos.