Discovery Channel HD
美国
Discovery Channel HD播出以科學、科技、自然與工程為核心的非虛構節目。其在美國的節目表包含紀錄片系列，主題涵蓋太空探索、動物行為、鑑識調查及大型工程建設。該頻道也播出求生類內容，以及探討軍事科技或自然災害的歷史節目。許多節目跟隨真實世界的專家——工程師、生物學家或技師——記錄他們執行複雜任務或進行實地研究的過程。高畫質訊號讓自然生態畫面與精密機械運作細節更加清晰。
觀眾可透過全美各地的標準有線電視與衛星訂閱服務收看該頻道。部分單集與完整系列可經由參與的電視業者隨選收看，或透過該頻道自家的串流平台觀看，但需以付費電視帳號登入。Discovery Channel HD的電視節目表因地區與業者而異，因此紀錄片時段或馬拉松播出的確切編排，會依當地授權協議而有所調整。
节目表
00:00 - 01:00
120 Hours Behind Bars
Washington Parish Jail
Series, Documentary
Over-capacity and on the brink, Louisiana's Washington Parish Jail is spiraling into chaos; the new sheriff struggles to bring stability and control while facing the mistakes of the past.
01:00 - 02:00
120 Hours Behind Bars
Clay County Detention Center
Series, Documentary
In Clay County, Mississippi, where gun deaths are an epidemic and the median income sits 66% below the national average, Sheriff Scott and his team fight to keep order inside a jail where the consequences of a community in crisis arrive daily.
02:00 - 03:01
Contraband: Seized at the Border
A Drop in the Bouquet
Series, Reality, Documentary
Cartels hope CBP won't inspect happy families, but officers know not to fall for that smuggling trick. Due to avian flu, live chickens can't be brought into the U.S. A family is forced to choose: go home to save their pet or surrender the bird to CBP.
03:01 - 04:02
120 Hours Behind Bars
Suffolk County Correctional Facility
Series, Documentary
As an opioid epidemic grips the county, a law-and-order sheriff uses rehabilitation to help inmates break the cycle of addiction while officers work around the clock to maintain safety, security and order inside one of New York's busiest jails.
04:02 - 05:02
120 Hours Behind Bars
Tangipahoa Parish Jail
Series, Documentary
In Bloody Tangipahoa, a new sheriff takes on a parish defined by violence, fighting to pull a crumbling, neglected jail back from the brink while inmates work to rebuild the family bonds that could keep them from coming back.
05:02 - 06:00
Contraband: Seized at the Border
Operation Block-Blitz
Series, Reality, Documentary, Entertainment
Two sisters are detained when one of them attacks an officer after a day of binge-drinking; a man claiming to be traveling for business has something to hide; on a hectic day, officers conduct a special operation using the bridge's K9 team.
06:00 - 07:01
Contraband: Seized at the Border
A Drop in the Bouquet
Series, Reality, Documentary
Cartels hope CBP won't inspect happy families, but officers know not to fall for that smuggling trick. Due to avian flu, live chickens can't be brought into the U.S. A family is forced to choose: go home to save their pet or surrender the bird to CBP.