Lockdown (TV series)
America's Hardest Prisons
|Country of origin||USA|
|Running time||1 hour|
|Original network||National Geographic Channel.|
|Original release||2006 – present|
Lockdown is a television series. It is on the National Geographic Channel. The series is about prisons and jails in the United States. It is shown in a documentary format. Lockdown is known in some regions as America's Hardest Prisons.