Charles, a retired man, gets a new lease on life when he answers an ad from a private investigator and becomes a mole in a secret investigation in a nursing home.

Charles, a retired man, gets a new lease on life when he answers an ad from a private investigator and becomes a mole in a secret investigation in a nursing home.

81 contestants stand on 81 squares on a massive game show floor, competing for a whopping grand prize.

Charles, a retired man, gets a new lease on life when he answers an ad from a private investigator and becomes a mole in a secret investigation in a nursing home.

Multiple teams race around the globe for $1,000,000 to 'amazing' locations.

Josh Gates travels through history on a search to uncover new evidence and answers to the world's most captivating unexplained mysteries, and true stories that defy explanation, offering stunning revelations and surprising new ins...

A reality show where a group of contestants are stranded in a remote location with little more than the clothes on their back. The lone survivor of this contest takes home a million dollars.

An archeologist travels around the world looking for unknown and missing artifacts from throughout time.

Multiple teams race around the globe for $1,000,000 to 'amazing' locations.

Homicide investigations are conducted through images recorded on Investigation Discovery's true.