
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.

The Canadian Rockies: Lake Louise; a glacier; the woodland caribou; white-bark pine trees; an archaeologist provides artifacts of people living in the area 10,000 years ago.

NASA's Goddard Space Flight Center; satellites; flight in a DC-3 aircraft; an observatory where new stars are discovered; a spacewalk.

Alaska: a brown bear hunting for salmon; Denali National Park; scuba diving in frigid waters; panning for gold.

Petrified National Forest; Crater Lake; a giant forest of kelp off the Southern California coast; glowworms in New Zealand caves.

Grand Canyon; an ancient cave on the island of Curaçao; Lake Michigan; ice ages.

Lionfish near the coral reefs off Curaçao; oysters of the Chesapeake Bay; an oil spill's effects in Alaska; rebuilding the Louisiana wetlands.

Hondo's informant friend is killed while seeking information for a joint SWAT and FBI task force; when the FBI task force leader acts erratically, Jessica worries the woman's behavior will endanger the team in the field.

A young heiress is kidnapped for ransom; the team goes on a citywide search to bring her home before she is harmed; the team worries that Mumford is moving too fast when he announces he's getting married for the fourth time.