The Discovery Channel HD (Pacific)

The border between the USA and Mexico is the busiest in the world. This series follows the work of America's Customs and Border Protection agency, whose job is to defend the border and stop terrorists, drugs and illegal weapons from entering the country.

In a city gripped by fentanyl and rising drug arrests, San Francisco's largest jail is on the front lines of addiction -- fighting to give inmates a shot at recovery, rehabilitation and a real path forward beyond the cycle of incarceration.

During his first day on the job, a rookie officer relies on his training, sending a hesitant driver for further inspection, and his hunch pays off; when a traveler claims to be visiting his dentist bimonthly in Mexico, officers investigate further.

Cartels hope CBP won't inspect happy families, but officers know not to fall for that smuggling trick. Due to avian flu, live chickens can't be brought into the U.S. A family is forced to choose: go home to save their pet or surrender the bird to CBP.

There are plenty of wheelies in Sin City; when one racer surprises the field, they get a chance to go up against Kayla Morton for another shot at a pile of cash.

Dakota Fred locks horns with a 50-ton monster in the ultimate treasure hunt for life-changing gold; Dustin's crew refuses to yield to the looming danger above, and Kayla's crew makes a monumental discovery that could turn their season around.

On the Aleutian Lady, greenhorn Todd's abscessed tooth forces Rick to consider a costly return to Dutch Harbor; Sig hands new protégé, Bob, the helm for her first-ever opilio season; Johnathan performs surgery-at-sea on his favorite Time Bandit shipmate.

As Arctic ice wreaks havoc on the fishing grounds, Rick risks losing a fortune in crab pots. Johnathan tests the Time Bandit's reinforced bow in a desperate attempt to save the gear. A health crisis on the Wizard forces Keith to make a life-or-death call.

Captains Sig and Sophia shift their fishing strategy as back-to-back injuries plague the Northwestern deck crew. When a Time Bandit crewman suffers a concussion, John must make a perilous harbor entry. Jake loses power in heavy seas on the Cornelia Marie.

Showcasing how Hurricane Ida hit the Louisiana coast in 2021 and features films from eyewitnesses as tornadoes and flooding hit all the way to New York City.

Hundreds of cameras capture a rare tornado outbreak in 2023 as it strikes Rolling Fork, Miss., and Little Rock, Ark.; when a twister hits Lewistown, Ill., a group of tornado spotters find themselves trapped in the eye of the storm.

In May 2024, dozens of eyewitnesses capture rare twin tornadoes as they carve a parallel path of destruction across Iowa; with winds near 300 mph, the twister sisters topple farms, shred wind turbines and devastate the town of Greenfield.

Eyewitnesses capture severe weather across the Dakotas as tornadoes tear through neighborhoods and farm structures; near Enderlin, North Dakota, a violent twister with estimated winds exceeding 200 mph becomes the first U.S. tornado rated EF5 in more than 12 years.

In May 2025, eyewitnesses capture shocking scenes of destruction as a mile-wide tornado tears through the city of St. Louis; when warning sirens fail, residents are caught off guard while visitors panic 630 feet above the ground inside the Gateway Arch.

Marty re-rescues the Broadhead family, whose Ohio home was made from 30,000 tires and faces major new structural issues; taking on a big challenge with limited time, Marty must restore a settling berm and construct a concrete storm cellar.

The Black family thrived after their rescue three years ago, but success has brought with it new, overwhelming issues; Marty returns to the Black Hills to help them battle the elements as they rebuild to protect against inclement weather.

In NM, parents fear for a son battling Lyme; the Raneys discover he's turned to bee sting therapy, a plan that unravels when his homestead's hive vanishes; they face a brutal choice as stress worsens his condition: push on or risk permanent damage.

A worried sister calls the Raneys to save an Arizona family chasing social media clout instead of survival; in the brutal summer heat, they gamble on a disease-ridden, abandoned building that could either secure food and shelter or sink the entire rescue.