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 - 01:08
Gold Rush
Low-Grade Panic
Series, Reality, Adventure, Outdoors, Nature
Rick hires an engineer to see if he can mine again this season. Parker's crew struggles to keep four plants running. Tony tries to double his gold.
01:08 - 02:09
Rocky Mountain Wreckers
Disaster in Denver
Series, Documentary
Mountain Recovery faces a tight deadline to recover a semi in a Denver water reservoir. High winds roll over a hauler carrying groceries through Wyoming. A heavy operator heads into a dangerous storm in the Colorado mountains to bring drivers to safety.
02:09 - 03:08
Secret Life of a Vegas Casino
Till Death Do Us Shark
Series, Documentary
Four unique weddings in one day stretch the Golden Nugget's wedding team to their limit. Meanwhile, a crack in the 200,000-gallon shark tank raises the alarm; stolen casino keys cause chaos, and security breaks up a rowdy wedding party of seniors.
03:08 - 04:00
Secret Life of a Vegas Casino
Sex, Lies and Surveillance Tape
Series, Documentary
A hotel guest reports a theft that launches an investigation with security and Metro detectives, but the truth proves to be far more scandalous; meanwhile, VIP hosts risk big money on a supercar event and scramble to hit a make-or-break attendance goal.
04:00 - 05:08
Gold Rush
Low-Grade Panic
Series, Reality, Adventure, Outdoors, Nature
Rick hires an engineer to see if he can mine again this season. Parker's crew struggles to keep four plants running. Tony tries to double his gold.
05:08 - 06:09
Rocky Mountain Wreckers
Disaster in Denver
Series, Documentary
Mountain Recovery faces a tight deadline to recover a semi in a Denver water reservoir; high winds roll over a hauler carrying groceries through Wyoming; a heavy operator heads into a dangerous storm in the Colorado mountains to bring drivers to safety.
06:09 - 07:08
Secret Life of a Vegas Casino
Till Death Do Us Shark
Series, Documentary
Four unique weddings in one day stretch the Golden Nugget's wedding team to their limit; a crack in the 200,000-gallon shark tank raises the alarm; stolen casino keys cause chaos; security breaks up a rowdy wedding party of seniors.
07:08 - 08:00
Secret Life of a Vegas Casino
Sex, Lies and Surveillance Tape
Series, Documentary
A hotel guest reports a theft that launches an investigation with security and Metro detectives, but the truth proves to be far more scandalous; meanwhile, VIP hosts risk big money on a supercar event and scramble to hit a make-or-break attendance goal.
08:00 - 09:00
Gold Rush: White Water
Grave Diggers
Series, Reality, Adventure
After months of hard work, Dustin and his crew have nothing but bruises to show for it; Dustin must make a difficult call, keep going at The Wall or abandon site and start over.
09:00 - 09:30
Auction Kings
Rolling Stones' Snooker Table; Aliens
Series, Reality, Auction
Rolling Stones' snooker table; rare African artifacts; alien mannequins.
09:30 - 10:00
Live to Farm
Dusk Till Dawn
Series, Reality, Agriculture
The harvest is over, but that doesn't mean the work is too -- the farmers roll up their sleeves and get to work. Visits from Copperhead, Soil Warrior and Spraytec keep these operations at their best. The girls visit their friends in California.
10:00 - 11:00
Moonshiners
Hillbilly Scotch
Series, Reality, Crime
Josh's head spins when Jerry reveals his wild plans for their joint moonshine operation. Mark and Digger enlist a Scotsman to help craft the first Hillbilly Scotch. Tim and Tickle's backwoods rivals threaten to call the law on their tariff-dodging deal.
11:00 - 13:00
Major League Fishing
2026 Heavy Hitters Championship Round: Orange Lake
Series, Fishing
Heavy Hitters Qualifying Group A Day One from Marion County, FL. Anglers compete to win $100,000 as well as the $100,000 Big Bass Bonus.
13:00 - 14:00
MythBusters
Prison Escape
Series, Documentary, Science
Adam and Jamie test if it's possible to cling to the roof of a speeding car; Kari, Tory and Grant try to solve some jailbreak myths.
14:00 - 15:00
MythBusters
Coffin Punch
Series, Documentary, Science
The whole team gets together to test myths about survival; in Coffin Punch, Kari, Tory and Grant test the silver screen saga; Adam and Jamie question what bullet-proof is.
15:00 - 16:00
MythBusters
Zombie Special
Series, Documentary, Science
Michael Rooker ("The Walking Dead") helps the team test zombie myths; the more effective weapon, ax or gun; testing the strength of the living dead; outrunning or outsmarting a horde.
16:00 - 17:00
MythBusters
Fright Night
Series, Documentary, Science
Adam and Jamie see if certain sound frequencies can convince people of paranormal activity; finding out if the smell of fear exists.
17:00 - 18:00
Alien Encounters: Fact or Fiction
Vanished in a Portal
Series, Science fiction
A man captures a beam of light in the desert; a couple is convinced they communicated with a UFO; a military man thinks he discovered a portal.
18:00 - 19:00
Alien Encounters: Fact or Fiction
You Saw a UFO
Series, Science fiction
After the death of his father, a farmer believes he witnessed a UFO; a geologist uncovers debris at the Roswell crash site; after seeing an orb in the sky, a mother suffers radiation-like burns on her body.
19:00 - 20:00
Alien Encounters: Fact or Fiction
Crash in California
Series, Science fiction
A Nevada man sees an object ejecting something in the sky; concertgoers believe they saw a UFO; two brothers recover material from an alleged UFO crash site in Needles, Calif.
20:00 - 21:00
Alien Encounters: Fact or Fiction
Proof from Area 51
Series, Science fiction
A man shares an original Area 51 video from 1992 for the first time; multiple people capture a Texas UFO sighting; a man films an unusual hovering object in Utah.
21:00 - 22:00
Alien Encounters: Fact or Fiction
Haunted and Hunted
Series, Science fiction
A lobsterman from Maine relives a harrowing encounter that has haunted him for years; a family witnesses a strange string of lights in the sky; a man believes he can communicate with alien crafts.
22:00 - 23:00
Expedition X
Devil in the Forest
Series, Documentary, Adventure, Paranormal
After receiving brand-new, frightening reports, Josh sends Jessica and Phil to the woods of southern New Jersey to hunt for the infamous Jersey Devil; locals are terrified by a demonic creature that's terrorized them for more than 300 years.
23:00 - 00:00
Expedition X
The Amazon's Cursed Ruins
Series, Documentary, Adventure, Paranormal
Expedition X explores an abandoned and haunted outpost in the Amazon rainforest; meeting with tribes deep in the jungle, they hear strange things at night that cause panic.