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What on Earth?

(a Titles & Air Dates Guide)

Last updated: Tue, 31 Mar 2026 17:00
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Documentary series examining unusual images of the earth as seen from space.
Show Details:
Start date: Feb 2015
End date: Mar 2023
Status: cancelled/ended
Network(s): Science (US)
Run time: 60 min
Episodes: 139 eps
Genre(s): Miscellaneous
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Episode list & details from:  TVmaze •  TV.com
Episode # Original
Air Date		 Titles
 
Season 1
1.1-1 10 Feb 15Lake of Blood
2.1-2 17 Feb 15Lost City of Gold
3.1-3 24 Feb 15Secrets of the Sahara
4.1-4 03 Mar 15Finding Sodom
5.1-5 10 Mar 15North Korea is Burning
6.1-6 17 Mar 15Nazi Ice Fortress
Season 2
7.2-1 26 Jan 16Finding Vietnam's Lost POWs
8.2-2 02 Feb 16Secret of Doomsday Mountain
9.2-3 09 Feb 16Lost City of the Kalahari
10.2-4 16 Feb 16Who Built Supervillain Island?
11.2-5 23 Feb 16Curse of the Lost Kingdom
12.2-6 01 Mar 16Hidden Tomb of Genghis Khan
13.2-7 26 Mar 16Bible's Greatest Mysteries
14.2-8 29 Mar 16Secrets of Lost Cities
15.2-9 05 Apr 16Military Mysteries
16.2-1012 Apr 16Strange Things in the Desert
17.2-1126 Apr 16Unsolved Mysteries
18.2-1203 May 16Curse of the Abyss
19.2-1310 May 16Stranger Than Fiction
Season 3
20.3-1 15 Nov 16Lost Treasure of the Grand Canyon (63 min)
21.3-2 22 Nov 16Mystery in the Outback (61 min)
22.3-3 29 Nov 16Riddle in the Ruins
23.3-4 06 Dec 16Stonehenge of the Holy Land
24.3-5 13 Dec 16Did We Find Flight 370?
25.3-6 20 Dec 16Gateway to Eden
26.3-7 03 Jan 17Dagger of Tutankhamun
27.3-8 10 Jan 17Raiders of the Holy Lance
28.3-9 17 Jan 17The Swastika Conspiracy
29.3-1024 Jan 17Inside El Chapo's Escape
30.3-1131 Jan 17Ghost of Zorro
31.3-1207 Feb 17Curse of the Sea Monster
32.3-1314 Feb 17Strange Symbols in the Desert
33.3-1421 Feb 17Bloody Secret of the Lost City
34.3-1528 Feb 17Lost Empire of the Amazon
35.3-1607 Mar 17Siberian Hell Pit
36.3-1714 Mar 17Hunt for El Dorado (62 min)
37.3-1821 Mar 17Mystery of the Mummy Desert (62 min)
38.3-1928 Mar 17Forbidden City of the Maya
39.3-2004 Apr 17The Curse of Merlin (62 min)
Season 4
40.4-1 17 Oct 17Dracula's Tomb (62 min)
41.4-2 24 Oct 17Fountain of Youth Found? (62 min)
42.4-3 31 Oct 17Mafia Ghost Ship (62 min)
43.4-4 07 Nov 17Beasts of the Lost Jungle (62 min)
44.4-5 14 Nov 17Mystery of Fang Forest
45.4-6 21 Nov 17Village of the Damned
46.4-7 28 Nov 17The Minotaur's Lair
47.4-8 05 Dec 17The Lost City of Goliath (62 min)
48.4-9 12 Dec 17Finding King Arthur (62 min)
49.4-1019 Dec 17Treasures of Valhalla
50.4-1109 Jan 18Nazi Gold Mystery (aka Hitler's Lost Gold) (62 min)
51.4-1216 Jan 18Temple of Blood
52.4-1323 Jan 18North Korea's Forbidden Islands
53.4-1430 Jan 18Cannibals in the Ghost City (62 min)
54.4-1506 Feb 18Curse of Medusa
55.4-1613 Feb 18Nazi Stonehenge (62 min)
56.4-1720 Feb 18Hunting the Ark of the Covenant (62 min)
57.4-1827 Feb 18Forbidden City of Inca Gold (62 min)
58.4-1906 Mar 18Ghost Ship of Hell Island (62 min)
59.4-2013 Mar 18Mayan Armageddon: The New Evidence (62 min)
Season 5
60.5-1 08 Jan 19CIA Killer Monks
61.5-2 15 Jan 19Monsters at Fort Madness
62.5-3 22 Jan 19Satan in Siberia
63.5-4 29 Jan 19Curse of the Ice Zombies
64.5-5 05 Feb 19Ghost Fleet of Cannibal Bay
65.5-6 12 Feb 19Finding Jack the Ripper
66.5-7 19 Feb 19Mystery of the Desert Shipwrecks
67.5-8 26 Feb 19Blood in the Garden of Eden
68.5-9 05 Mar 19Phantoms in the Chamber of Secrets
69.5-1012 Mar 19Cannibal Death Pit
Season 6
70.6-1 06 Jun 19World's Deadliest Threats (120 min)
71.6-2 13 Jun 19Monsters of Diamond Desert
72.6-3 20 Jun 19North Korea Death Star
73.6-4 27 Jun 19Aliens of the Infinity War
74.6-5 11 Jul 19The Cave to Hell
75.6-6 18 Jul 19Terror of the Ice Snake
76.6-7 25 Jul 19Curse of Genghis Khan
77.6-8 01 Aug 19The King at Roswell
78.6-9 08 Aug 19Treasures of Monster Graveyard
Season 7
79.7-1 09 Jan 20Nazi Doomsday Forest
80.7-2 16 Jan 20Bermuda Triangle of Space
81.7-3 23 Jan 20Chernobyl's Nuclear Monsters
82.7-4 30 Jan 20Curse of Phantom Island
83.7-5 06 Feb 20Armageddon USA
84.7-6 13 Feb 20Amazon's Secret Nightmare
85.7-7 20 Feb 20Ghost Town Terror
86.7-8 27 Feb 20Imhotep's Lost Labyrinth
87.7-9 05 Mar 20Lost Tombs of the Gold Kingdom
88.7-1012 Mar 20Hunt for Atlantis
89.7-1119 Mar 20Ruins of Cannibal City
Season 8
90.8-1 27 Aug 20Zombietown USA
91.8-2 03 Sep 20Nazi Crop Circles
92.8-3 10 Sep 20Island of the Alien Ooze
93.8-4 17 Sep 20Chinese Nuclear Pyramid
94.8-5 24 Sep 20Americas' Lost Romans
95.8-6 01 Oct 20The Damned of Devil's Island
96.8-7 08 Oct 20Nazi Occult Temple
97.8-8 15 Oct 20Enigmas of Area 51
98.8-9 22 Oct 20Curse of King Arthur
Season 9
99.9-1 11 Mar 21Curse of the Amazon Nazis
100.9-2 18 Mar 21Epstein's Forbidden Temple
101.9-3 25 Mar 21Aztec Alien Mystery
102.9-4 01 Apr 21Gate to the Viking Gods
103.9-5 08 Apr 21America's Swamp Castle
104.9-6 15 Apr 21Lost City of the Vampires
105.9-7 22 Apr 21Temple of the Island Eater
106.9-8 29 Apr 21Horror of Dead Man's Island
107.9-9 06 May 21Stalin's Secret Atlantis
108.9-1013 May 21America's Secret Apocalypse
Season 10
109.10-124 Oct 21Australia's Nuclear Desert
110.10-226 Oct 21Dark Mysteries of Halloween (120 min)
111.10-331 Oct 21Viking Warrior Invasion
112.10-407 Nov 21Mystery of Apache Mountain
113.10-514 Nov 21Hidden Fortress of Secrets
114.10-621 Nov 21Code of the Viking Witch
115.10-728 Nov 21Mystery of the Cursed Forest
116.10-805 Dec 21Secrets of the Roman Occult
117.10-912 Dec 21Legend of Moonshine Forest
118.10-1019 Dec 21Nuclear Ghost Towns
119.10-1119 Dec 21Lair of the Living God
Season 11
120.11-122 Jun 22Secret Soviet Spacecraft
121.11-229 Jun 22Range of Nazi Evil
122.11-306 Jul 22Doomsday Lair of Greece
123.11-413 Jul 22Mystery of the Welsh Mine
124.11-520 Jul 22Riddle of Sardinia Tower
125.11-627 Jul 22Circles of the High Kings
126.11-703 Aug 22Russia's Lightning Lab
127.11-810 Aug 22Poland's Secret Nazi Compound
128.11-917 Aug 22Holes of Dead Sea Destruction
129.11-1024 Aug 22Ancient Rome's El Dorado
Season 12
130.12-112 Jan 23Bullseye in the Sky
131.12-219 Jan 23Mystery of the Fallen Star
132.12-326 Jan 23Indiana's War Factory
133.12-402 Feb 23Turkey's Lost Terror Dome
134.12-509 Feb 23Blood Feud of Gresham Castle
135.12-616 Feb 23The Boneyard of Arizona
136.12-723 Feb 23Nevada's Mystery Marking
137.12-802 Mar 23Ghost Ship of Ireland
138.12-909 Mar 23Secrets of Biosphere 2
139.12-1016 Mar 23Arctic Hunters of Norway
Specials
S03.3-0 04 Mar 17Codes and Conspiracies (124 min)
S03.3-0 11 Mar 17Myths and Mysteries (124 min)
S03.3-0 18 Mar 17Here Be Monsters (124 min)
S03.3-0 21 Mar 17Mystery of the Mummy Desert
S03.3-0 25 Mar 17Into the Unknown (124 min)
S03.3-0 01 Apr 17Secrets and Lies (124 min)
S03.3-0 08 Apr 17Forbidden Places (124 min)
S03.3-0 15 Apr 17Bible's Greatest Secrets (124 min)
S03.3-0 22 Apr 17Curses and Legends (124 min)
S03.3-0 29 Apr 17Strangest Things (124 min)
S03.3-0 06 May 17Expedition Truth (124 min)
S03.3-0 13 May 17Lost Worlds (124 min)
S03.3-0 20 May 17Dangerous Knowledge (124 min)
S03.3-0 27 May 17Uncharted Waters (124 min)
S03.3-0 03 Jun 17Scandal and Sin (124 min)
S03.3-0 10 Jun 17Journeys to the Edge (124 min)
S03.3-0 17 Jun 17Forgotten and Unexplained (124 min)
S03.3-0 20 Jun 17Last Secrets of the Nazis (62 min)
S03.3-0 24 Jun 17World of Weird (124 min)
S03.3-0 27 Jun 17Omens of Armageddon (62 min)
S03.3-0 01 Jul 17Deadly Destinations (124 min)
S03.3-0 04 Jul 17America the Weird (62 min)
S03.3-0 08 Jul 17Riddles and Relics (124 min)
S03.3-0 11 Jul 17Curses of the Ancients (62 min)
S03.3-0 15 Jul 17Dark Voyages (124 min)
S03.3-0 18 Jul 17Bible's Darkest Secrets (62 min)
S03.3-0 22 Jul 17Peril at the Abyss (124 min)
S03.3-0 25 Jul 17Egypt's Greatest Mysteries (62 min)
S03.3-0 29 Jul 17Hell on Earth (124 min)
S03.3-0 01 Aug 17United States of Conspiracy (62 min)
S03.3-0 05 Aug 17Expedition Strange (124 min)
S03.3-0 08 Aug 17Criminal Pursuit (62 min)
S03.3-0 12 Aug 17Lies and Legends (124 min)
S03.3-0 15 Aug 17Legends of the Lost Cities (62 min)
S03.3-0 19 Aug 17Extreme Adventures (124 min)
S03.3-0 26 Aug 17Dangerous and Deadly (124 min)
S03.3-0 02 Sep 17Wicked Things (124 min)
S03.3-0 09 Sep 17Odysseys to the Edge (124 min)
S03.3-0 16 Sep 17Investigation Unknown (124 min)
S03.3-0 30 Sep 17Declassified and Dangerous (124 min)
S03.3-0 07 Oct 17Chasing Conspiracies (124 min)
S03.3-0 14 Oct 17Quest for Truth (124 min)
S04.4-0 21 Oct 17Mysteries and Monsters (124 min)
S04.4-0 28 Oct 17Dark Secrets (124 min)
S04.4-0 28 Oct 17Ghosts of the Nazis (62 min)
S04.4-0 04 Nov 17Forbidden Knowledge (124 min)
S04.4-0 11 Nov 17Freaks of Nature (124 min)
S04.4-0 18 Nov 17Nightmares on Earth (120 min)
S04.4-0 25 Nov 17Sins and Secrets (124 min)
S04.4-0 02 Dec 17Curse of the Unknown (124 min)
S04.4-0 09 Dec 17Lethal Intelligence (124 min)
S04.4-0 16 Dec 17Dark Operations (124 min)
S04.4-0 06 Jan 18Secret Histories (124 min)
S04.4-0 13 Jan 18Here Be Curses (124 min)
S04.4-0 20 Jan 18Conspiracies That Kill (124 min)
S04.4-0 27 Jan 18Legends of the Lost (124 min)
S04.4-0 03 Feb 18Deadly Treasure (124 min)
S04.4-0 10 Feb 18Mysteries from Beyond (124 min)
S04.4-0 17 Feb 18Secrets in the Ruins (186 min)
S04.4-0 24 Feb 18World of Horror (186 min)
S04.4-0 03 Mar 18Alien Empires (186 min)
S04.4-0 10 Mar 18Fatal Enigmas (186 min)
S04.4-0 17 Mar 18Forbidden Fortunes (186 min)
S04.4-0 08 Sep 18Treacherous Knowledge (180 min)
S04.4-0 11 Sep 18Myths and Illusions (180 min)
S05.5-0 18 Dec 18Bible's Darkest Mysteries - Part 1
S05.5-0 18 Dec 18Bible's Darkest Mysteries - Part 2
 
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