Explorer

Host Phil Keoghan ventures inside the active Masaya volcano in Nicaragua. Sal Masekela embeds with motorcycle riders transporting solar panels to remote areas of Tanzania. Mariana van Zeller meets with an oil mogul whose horse cloning business may provide insight to cure Type 1 diabetes. Gelareh Darabi travels from Hawaii to the Midwest to see how Americans are preparing for a nuclear attack.

Host Phil Keoghan heads to Utah to dig for dinosaurs. From EXPLORER correspondents: Tim Samuels tests his reproductive health and the global drop in male fertility; Mariana van Zeller embeds with a goods smuggler in Gaza who fears his country and livelihood may be stifled; could the cure for the next plague be hidden in a pail of dirt? Francesca Fiorentini gets to the bottom of “miracle dirt.”

Hawaii imports 90 percent of its food; we meet a group of industrious Hawaiians living off the food grid. Over 1.5 million U.S. children have potentially fatal peanut allergies. Could new research lead to a cure? Gain an expert’s view on the deep cultural language of samurai swords. The bald eagle, America’s national symbol, was nearly extinct 40 years ago; we share its ongoing story of survival.

Phil Keoghan journeys to the India/Pakistan border, where an unexpected border ceremony takes place daily. Tim Samuels gets a firsthand look into tensions between humans and an expanding saltwater crocodile population in Australia. Mariana van Zeller investigates wrongly issued Red Notices. Albert Lin learns about communication among trees via the “wood wide web.”

Phil Keoghan journeys to the Atacama Desert to visit the Paranal Observatory. Mariana van Zeller heads to California to speak with members of the Flat Earth movement and a group of volunteers trying to debunk their claims. Albert Lin explores the potential of hibernation on Mars and how lemurs can help. Cara Santa Maria explores meteorite trading in Morocco and what it means for space research.

Phil Keoghan journeys to Peru to probe the mystery of the boiling river. Mariana van Zeller investigates the unsolved attack on U.S. embassy workers in Cuba. Cara Santa Maria explores breakthrough technology for people with missing senses. Francesca Fiorentini heads to the Pacific Northwest to find out how snowflakes form into avalanches.

Phil Keoghan journeys to Spain to immerse himself in the world of the “castellers,” who build human towers. Sal Masakela explores the risks of the cash only marijuana business. Mariana van Zeller investigates growing tension between grizzlies and humans. We examine why the color blue is rare in animals.

Phil Keoghan journeys to Mexico to help tag whale sharks in order to save them. J.J. Kelley explores the amazing talents and potential of super recognizers. Mariana van Zeller investigates the status of the Fukushima cleanup and Francesca Fiorentini looks into the history of heart disease in mummies.

Host Phil Keoghan heads to Yellowstone National Park in search of their most famous apex predator: the wolf. Sal Masekela travels to Uncertain, Texas, to see the invasive species taking over the local lake. Ryan Duffy heads to Florida to investigate rehabilitation facilities that are said to be putting profits before patients.

Phil Keoghan journeys to Zambia to help tag lions. Francesca Fiorentini investigates the cause of a rash of earthquakes in Oklahoma. Cara Santa Maria explores if we are breeding dogs to death. Ryan Duffy joins Cory Booker as he uncovers environmental racism. Jago Cooper reveals risks to the global chocolate supply and solutions underway to save it.

Phil Keoghan journeys to India to try his hand at an ancient form of martial arts. Gelareh Darabi explores new technology helping to detect deadly tornadoes. Ryan Duffy investigates the illegal logging of rosewood trees in Cambodia and the risk to environmental journalists bringing attention to the issue. Jago Cooper probes the intelligence of whales and their ability to mimic humans.

Phil Keoghan journeys to North Carolina to see the science behind Nascar racing. Jago Cooper explores a chilling new discovery of human sacrifice. Francesca Fiorentini investigates what DNA tests actually tell you. Tim Samuels reveals a new probiotic made from the human gut.

Phil Keoghan journeys to Maine with biologists to tag a hibernating mama bear and her cubs. JJ Kelley explores new Nasca lines in Peru. Cara Santa Maria investigates the future of farming in Denmark. Gelareh Darabi probes what makes Icelanders so strong and whether it’s their Viking ancestry.