
A top 5-rated entertainment network, ION’s lineup includes a catalog of proven procedural series and original programming. Anchored by a collection of television’s most-watched dramas, ION’s schedule caters to its loyal binge-watching audience nationwide.

Woods Hole Oceanographic Institute makes discoveries under the deep sea; coral reefs off the Florida coast; the power of Maui's massive waves.

Iceland: waterfalls and geysers, a volcanic mountain that may erupt at any time, producing electricity with geothermal and hydropower, a large glacier.

Red rock formations in Sedona, Ariz.; Hawaii's red, black and green beaches; colorful hot springs in Yellowstone National Park; colorful animals include the octopus, who can change color in an instant.

Hawaiian Islands: traditional methods of catching fish and collecting sea salt, sea creatures along the coral reef, a limestone cave where ancient artifacts are preserved.

Croatia's waterfalls and caves; Plitvice Lakes National Park; stalactites and stalagmites; the island of Brač's limestone quarries; a stone masonry school.

The team faces a prison hostage situation, only to be thrown into deeper danger when a bomb explodes, freeing maximum-security prisoners from their cells, including someone with a personal grudge against Hondo.

A blackout throws the city into chaos, forcing the team onto the streets for an emergency patrol day, which quickly escalates when Hondo and team uncover a terror threat.

Tan is left reeling when his girlfriend is kidnapped; a violent cartel leader may be behind the abduction.