Recent major update: (August 15, 2017) Updated some dates and added some shows.
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Start dates for most of the sci-fi/fantasy shows so none of us miss the first episode of our favorite shows or new shows. I try to keep this list fairly up-to-date so that everyone can see at a glance what shows are currently running and what shows will be starting soon. Links to IMDb pages when they exist.
(r) = renewed
(c) = to be canceled
(f) = final season

On Now: Day Station Genre Hiatus
Preacher Monday AMC Supernatural Sep.11
Midnight, Texas Monday NBC Supernatural Sep.25?
Somewhere Between Tuesday ABC Groundhog Day Sep.19?
Blood Drive Wednesday Syfy Post-Apocalyptic Grindhouse Sep.6
Zoo Thursday CBS Sci-Fi Thriller Sep.21
The Mist Thursday Spike Stephen King Aug.24
Dark Matter Friday Syfy Space Sci-Fi Aug.25
Killjoys Friday Syfy Space Sci-Fi Sep.1
Wynonna Earp Friday Syfy Supernatural Aug.25 (r)
The Strain Sunday FX Vampires Sep.17 (f)
Game of Thrones Sunday HBO Fantasy Aug.27 (r)
Teen Wolf Sunday MTV Werewolves Sep.24 (f)
Twin Peaks Sunday Showtime Supernatural Sep.3
The Last Ship Sunday TNT Post-Apocalyptic Oct.? (r)

Online: Date Direct Link Genre Season
Oasis Now Amazon Sci-Fi Pilot
The Defenders Now Netflix Super Heroes Season 1
The Tick Aug.25 Amazon Super Heroes Season 1
Star Trek: Discovery Sept.24 CBS All Access Sci-Fi Season 1
Travelers Oct.16 Netflix Time Travel Season 2
Freakish Oct.18 Hulu Zombies Season 2
Stranger Things Oct.27 Netflix Supernatural Season 2 (r x2)
Future Man Nov.14 Hulu Time Travel Comedy Season 1
Runaways Nov.21 Hulu Super Heroes Season 1
The Man in the High Castle Fall Amazon Alternate Reality Season 3
3% Fall? Netflix Futuristic Thriller Season 2
Black Mirror Fall? Netflix Sci-Fi Anthology Season 4
Crazyhead Fall? Netflix Supernatural Season 2
Dark Fall Netflix Supernatural Season 1
Glitch Fall? Netflix Resurrection Season 2
The OA Fall? Netflix Supernatural Season 2
Castle Rock 2017? Hulu Stephen King Season 1
Dimension 404 2017 Hulu Sci-Fi Anthology Season 1
Myst 2017? Hulu Supernatural Season 1
Altered Carbon 2017? Netflix Cyberpunk Sci-Fi Season 1
The Punisher 2017 Netflix Super Hero Season 1
Luke Cage 2017 Netflix Super Hero Season 2
A Series of Unfortunate Events Winter? Netflix Adventure Season 2 (r)
Daredevil Winter? Netflix Super Hero Season 3
Santa Clarita Diet Winter? Netflix Zombies Season 3
Sense8 Winter? Netflix Sci-Fi Finale
Good Omens 2018 Amazon Post Apocalyptic Mini-Series
Titans 2018 DC Digital Super Heroes Season 1
The Handmaid's Tale 2018 Hulu Dystopian Future Season 2
The First 2018 Hulu Sci-Fi Season 1
Again 2018 Netflix Supernatural Season 1
Iron Fist 2018? Netflix Super Hero Season 2
Jessica Jones 2018 Netflix Super Hero Season 2
Lost in Space 2018 Netflix Sci-Fi Season 1
MST 3000 2018? Netflix Sci-Fi Mockery Season 12
The Last Kingdom 2018? Netflix Saxons Season 2
The Umbrella Academy 2018 Netflix Super Heroes Season 1
Tidelands 2018 Netflix Supernatural Season 1
Osmosis 2018 Netflix Sci-Fi Season 1

Upcoming: When Station Genre Finale
American Horror Story Sep.5 FX Supernatural Horror (r)
Fear The Walking Dead Sep.10 AMC Zombies (r)
The Orville Sep.10 Fox Sci-Fi Dramedy
Outlander Sep.10 Starz Time Travel (r)
The Good Place Sep.20/28 NBC Supernatural
Channel Zero Sep.20 Syfy Horror Anthology (r x2)
Gotham Sep.21 Fox Young Batman
Inhumans Sep.29 ABC Super Heroes
The Exorcist Sep.29 Fox Supernatural
Con Man Sep.? Syfy Sci-Fi-ish
Z Nation Sep.? Syfy Zombies
Extinct Oct.1 BYUtv Sci-Fi
Ghosted Oct.1 Fox Sci-Fi Comedy
Last Man on Earth Oct.1 Fox Post-Apocalyptic Comedy
Lucifer Oct.2 Fox Supernatural
The Gifted Oct.2 Fox Super Heroes
Kevin (Probably) Saves the World Oct.3 ABC Supernatural
Once Upon a Time Oct.6 ABC Modern Fantasy
Supergirl Oct.9 CW Super Hero
Legends of Tomorrow Oct.10 CW Super Heroes
The Flash Oct.10 CW Super Heroes
Mr. Robot Oct.11 USA Sci-Fi
Arrow Oct.12 CW Super Heroes
Supernatural Oct.12 CW Supernatural
Dirk Gently Oct.14 BBC America Holistic
The Walking Dead Oct.22 AMC Post-Apocalyptic Horror
Good Witch Oct? Hallmark Supernatural
The Shannara Chronicles Oct.? Spike Fantasy
Stan Against Evil Nov.1 IFC Supernatural Comedy
Vikings Nov.29 History Vikings
Outcast Fall? Cinemax Supernatural
Star Wars: Rebels Fall Disney XD Animated Sci-Fi (f)
Ash vs. Evil Dead Fall Starz Supernatural
Ghost Wars Fall Syfy Supernatural
Happy! Fall Syfy Supernatural
Van Helsing Fall Syfy Vampires
The Librarians Fall TNT Supernatural
Falling Water Fall USA Supernatural
Doctor Who Dec.25 BBC America Sci-Fi (r x4)
The Frankenstein Chronicles 2017? A&E Supernatural (r)
Misfits 2017? Freeform Not So Super Heroes
Agents of S.H.I.E.L.D. Winter? ABC Super Heroes
The Crossing Winter? ABC Sci-Fi
Humans Winter? AMC Androids
Black Lightning Winter CW Super Heroes
The 100 Winter CW Post-Apocalyptic
The Originals Winter? CW Vampire Diaries spin-off (f)
X-Files Winter? Fox Sci-Fi
Beyond Winter? Freeform Supernatural
Marvel's Cloak and Dagger Winter? Freeform Super Heroes
Legion Winter? FX Super Heroes
Timeless Winter? NBC Time Travel
Krypton Winter? Syfy Super Heroes
The Expanse Winter? Syfy Space Opera Sci-Fi
The Magicians Winter? Syfy Modern Fantasy
Colony Winter USA Sci-Fi
Into The Badlands Spring? AMC Martial Arts
iZombie Spring CW Zombie Cops
Westworld Spring HBO Artificial Intelligence Sci-Fi
American Gods Spring? Starz Supernatural
12 Monkeys Spring? Syfy Time Travel (f)
Shadowhunters Summer Freeform Mortal Instruments
Stitchers Summer? Freeform Sci-Fi
Cleverman Summer? Sundance Sci-Fi
Wizard and Glass 2018 ? The Dark Tower
New Warriors 2018 Freeform Super Heroes
Siren 2018 Freeform Mermaids

Past Shows: Status Station Genre Finale
Orphan Black Finished BBC America Clones Aug.12, 2017
The Leftovers Finished HBO Post-Apocalyptic Jun.4, 2017
Class Canceled? BBC America Doctor Who Spin-off Jun.3, 2017
Making History Canceled Fox Time Comedy May 21, 2017
Powerless Canceled NBC Super Hero Comedy April 20, 2017
Black Sails Finished Starz Pirates Apr.2, 2017
Sleepy Hollow Canceled Fox Supernatural Mar.31, 2017 (c?)
Grimm Finished NBC Supernatural Mar.31, 2017
Time After Time Canceled ABC Time Travel Mar.26, 2017
The Vampire Diaries Finished CW Vampires Mar.10, 2017
Emerald City Canceled NBC Wizard of Oz Mar.3, 2017
Incorporated Canceled Syfy Sci-Fi Thriller Feb.1, 2017
Frequency Canceled CW Time Travel-ish Jan.25, 2017
Salem Canceled WGN Supernatural Horror Jan.25, 2017
Aftermath Canceled Syfy Post-Apocalyptic Dec.20, 2016
From Dusk Till Dawn Canceled El Rey Supernatural Nov.1, 2016
The Living and the Dead Canceled BBC America Supernatural Oct.27, 2016
Beauty and the Beast Finished CW Cyborg Sep.15, 2016
BrainDead Canceled CBS Comedy Sci-Fi Thriller Sep.11, 2016
Dead of Summer Canceled Freeform Supernatural Aug.30, 2016
Between Canceled Netflix Sci-Fi Aug.4, 2016
Wayward Pines Canceled Fox Sci-Fi Jul.27, 2016
Powers Canceled Playstation Super Heroes Jul.19, 2016
Containment Finished CW Viral Outbreak Jul.19, 2016
Hunters Canceled Syfy Sci-Fi Jul.11, 2016
Marco Polo Canceled Netflix Epic Adventure Jul.1, 2016
Person of Interest Finished CBS Artificial Intelligence Sci-Fi Jun.21, 2016
Penny Dreadful Canceled Showtime Supernatural Horror Jun.19, 2016
The Musketeers Finished Hulu Adventure Jun.1, 2016
Damien Canceled A&E Supernatural May 9, 2016
Limitless Canceled CBS Sci-Fi Apr.26, 2016
Bitten Finished Syfy Werewolves Apr.25, 2016
Deadbeat Canceled Hulu Ghosts Apr.20, 2016
Beowulf Canceled Esquire Midieval Apr.16, 2016
11.22.63 Finished Hulu Time Travel Apr.4, 2016
You, Me and the Apocalypse Canceled NBC Post-Apoc Comedy Mar.31, 2016
Second Chance Canceled Fox Frankenstein Sci-Fi Mar.25, 2016
Lost Girl Finished Syfy Supernatural Mar.21, 2016
Agent Carter Canceled ABC Super Heroes Mar.1, 2016
Galavant Canceled ABC Fairy Tale Comedy Jan.31, 2016
Heroes Reborn Canceled NBC Heroes mini-series Jan.21, 2016
Da Vinci's Demons Finished Starz Historical Fantasy Dec.26, 2015
The Returned (French) Finished Sundance Resurrection Dec.19, 2015
Haven Finished Syfy Supernatural Dec.17, 2015
Childhood's End Finished Syfy Alien mini-series Dec.16, 2015
Minority Report Canceled Fox Sci-Fi Cops Nov.30, 2015
South of Hell Canceled WE tv Supernatural Nov.27, 2015
The Bastard Executioner Canceled FX Medieval Knights Nov.17, 2015
Hemlock Grove Finished Netflix Supernatural Oct.23, 2015
Continuum Finished Syfy Time Travel Oct.16, 2015
Dominion Canceled Syfy Supernatural Oct.1, 2015
Under The Dome Canceled CBS Sci-Fi Sep.10, 2015
Extant Canceled CBS Sci-Fi Sep.9, 2015
The Whispers Canceled ABC Bradbury's Zero Hour Aug.31, 2015
Falling Skies Finished TNT Alien Sci-Fi Aug.30, 2015
Defiance Canceled Syfy Alien Sci-Fi Aug.28, 2015
Proof Canceled TNT Supernatural Medical Aug.18, 2015
Atlantis Canceled BBC America Mythological Aug.1, 2015
Jonathan Strange & Mr Norrell Finished BBC America Fantasy Jul.25, 2015
The Messengers Canceled CW Supernatural Sci-Fi Jul.24, 2015
Olympus Canceled Syfy Supernatural Jul.2, 2015
The Returned (US) Canceled A&E Resurrection May 11, 2015
Forever Canceled ABC Immortal May 5, 2015
Other Space Canceled Yahoo Sci-Fi Comedy Apr.14, 2015
Helix Canceled Syfy Sci-Fi Horror Apr.10, 2015
Constantine Canceled NBC Supernatural Feb.13, 2015
Resurrection Canceled ABC Resurrection Jan.25, 2015
The Legend of Korra Finished Amazon Animated Fantasy Dec.19, 2014
Ascension Finished Syfy Sci-Fi mini-series Dec.17, 2014
Intruders Canceled BBC America Horror mini-series Oct.11, 2014
Witches of East End Canceled Lifetime Supernatural Oct.5, 2014
The Lottery Canceled Lifetime Dystopian Future Sep.28, 2014
True Blood Finished HBO Supernatural Aug.24, 2014
Crossbones Canceled NBC Pirates Aug.2, 2014
Drop Dead Diva Finished Lifetime Resurrection Jun.22, 2014
Believe Canceled NBC Super Powers Jun.15, 2014
In The Flesh Canceled BBC America Zombies Jun.8, 2014
Revolution Canceled NBC Post-Apocalyptic May 21, 2014
Metal Hurlant Chronicles Canceled Syfy Supernatural Sci-Fi May 19, 2014
Warehouse 13 Finished Syfy Supernatural Sci-Fi May 19, 2014
Star-Crossed Canceled CW Alien Sci-Fi May 12, 2014
The Tomorrow People Canceled CW Super Heroes May 5, 2014
The Neighbors Canceled ABC Comedy Sci-Fi Apr.11, 2014
Being Human (US version) Finished Syfy Supernatural Apr.7, 2014
Once Upon a Time in Wonderland Finished ABC Modern Fantasy Apr.3, 2014
Intelligence Canceled CBS Cyborg Mar.31, 2014
Star Wars: Clone Wars Finished Netflix Animated Sci-Fi Mar.7, 2014
Almost Human Canceled Fox Android Cop Mar.3, 2014
Ravenswood Canceled ABC Family Supernatural Feb.4, 2014
Dracula Canceled NBC Vampires Jan.24, 2014
Misfits Finished Hulu Super Heroes Dec.11, 2013
The Almighty Johnsons Finished Syfy Norse Gods Sep.26, 2013
Do No Harm Canceled NBC Horror (Jekyll/Hyde) Sep.7, 2013
Futurama Canceled Comedy Central Animated Sci-Fi Sep.4, 2013
Primeval: New World Canceled Syfy Sci-Fi Aug.10, 2013
Zero Hour Canceled ABC Supernatural Conspiracy Aug.3, 2013
666 Park Ave Canceled ABC Supernatural Jul.13, 2013
Save Me Canceled NBC Supernatural Jun.13, 2013
Merlin Finished Syfy Fantasy May 31, 2013
Touch Canceled Fox Super Powers May 10, 2013
Spartacus Finished Starz Gladiator Apr.12, 2013
Being Human (UK version) Finished BBC America Supernatural Mar.10, 2013
TRON: Uprising Canceled Disney XD Animated Sci-Fi Jan.28, 2013
Fringe Finished Fox Sci-Fi Jan.18, 2013
Mockingbird Lane Canceled NBC Supernatural Oct.26, 2012
Alphas Canceled Syfy Super Heroes Oct.22, 2012
Sinbad Canceled Syfy Adventure Sep.23, 2012
Eureka Finished Syfy Sci-Fi Comedy Jul.16, 2012
Bedlam Canceled BBC America Supernatural Jul.11, 2012
Awake Canceled NBC Supernatural May 24, 2012
Secret Circle Canceled CW Supernatural May 10, 2012
Alcatraz Canceled Fox Sci-Fi Mar.26, 2012
The River Canceled ABC Supernatural Mar.20, 2012
A Gifted Man Canceled CBS Supernatural Mar.2, 2012
Chuck Finished NBC Sci-Fi Comedy Jan.27, 2012
Todd and the Book of Pure Evil Canceled Fearnet Supernatural Jan.26, 2012
Sanctuary Canceled Syfy Supernatural Dec.30, 2011
Terra Nova Canceled Fox Sci-Fi Dec.19, 2011
Being Erica Finished SoapNet Supernatural Dec.12, 2011
Death Valley Canceled MTV Supernatural Comedy Nov.21, 2011
The Fades Canceled BBC America Supernatural Oct.26, 2011
Torchwood Finished Starz Sci-Fi Sep.9, 2011
Nine Lives of Chloe King Canceled ABC Family Supernatural Aug.16, 2011
Primeval Finished BBC America Sci-Fi Jun.28, 2011
Camelot Canceled Starz Fantasy Jun.10, 2011
The Event Canceled NBC Sci-Fi May 23, 2011
Smallville Finished CW Super Heroes May 13, 2011
Stargate Universe Canceled Syfy Sci-Fi May 9, 2011
No Ordinary Family Canceled ABC Super Heroes Apr.5, 2011
V Canceled ABC Sci-Fi Mar.15, 2011
Outcasts Canceled BBC America Sci-Fi Mar.13, 2011
The Cape Canceled NBC Super Hero Mar.11, 2011
Medium Finished CBS Ghosts Jan.21, 2011
Caprica Canceled Syfy Sci-Fi Jan.4, 2011
Tower Prep Canceled Cartoon Network Super Heroes Dec.28, 2010
The Gates Canceled ABC Supernatural Sep.19, 2010
Persons Unknown Canceled NBC Sci-Fi Aug.28, 2010
K-9 Canceled Syfy Sci-Fi Jul.5, 2010
Past Life Canceled Fox Supernatural Jun.18, 2010
FlashForward Canceled ABC Sci-Fi May 27, 2010
Lost Finished ABC Supernatural May 23, 2010
Legend of the Seeker Canceled syndicated Fantasy May 22, 2010
Ghost Whisperer Finished CBS Ghosts May 21, 2010
Survivors Canceled BBC America Alternate Reality Feb.23, 2010
Eastwick Canceled ABC Supernatural Feb.14, 2010
Heroes Canceled NBC Super Heroes Feb.8, 2010
Dollhouse Canceled Fox Sci-Fi Jan.29, 2010
Defying Gravity Canceled ABC Sci-Fi Oct.23, 2009
Battlestar Galactica Finished Syfy Sci-Fi Mar.20, 2009
Demons Canceled BBC America Supernatural Feb.7, 2009