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r/startrek
213k  subs
Star Trek news and discussion. No slash fic. ... Maybe a little slash fic.
https://reddit.com/r/startrek/
A subreddit for in-depth discussion about *Star Trek*.
https://reddit.com/r/DaystromInstitute/
The subreddit for everything Star Trek: Deep Space Nine! Feel free to post pics, videos, articles, your opinions & questions... anything to do with the show or the actors.
https://reddit.com/r/DeepSpaceNine/
r/Treknobabble
16k  subs
reddit... the front page of the internet. These are the posts of the subreddit /r/Treknobabble. Its continuing mission: to explore strange new content and old favourites, to seek out new readers and other Star Trek communities, to boldly display whatever Trekkers want to upvote!
https://reddit.com/r/Treknobabble/
r/startrekgifs
56k  subs
A subreddit to post gifs from the Star Trek franchise
https://reddit.com/r/startrekgifs/
r/scifi
1m  subs
Science Fiction, or Speculative Fiction if you prefer. Fantasy too. Asimov, Bradbury, Clarke, Dick, Heinlein and other SF books. SF movies and TV shows. Fantasy stuff like Tolkien and Game of Thrones. Laser guns, space ships, and time travel. etc. Star Trek, Battlestar, Star Wars, etc.
https://reddit.com/r/scifi/
r/TheOrville
49k  subs
FOX's 'The Orville' created by and starring Seth MacFarlane
https://reddit.com/r/TheOrville/
An unofficial fan community dedicated to discussion and news about Star Trek: Discovery. Please beware of spoilers on this sub!
https://reddit.com/r/StarTrekDiscovery/
r/doctorwho
370k  subs
Reddit's Doctor Who Fan Community - News, Discussion, Artwork and Fan Creations!
https://reddit.com/r/doctorwho/
Thoughts you might have taking a much needed sonic shower aboard a USS Federation ship.
https://reddit.com/r/sonicshowerthoughts/
r/risa
7k  subs
Come'n get your jamaharon on!
https://reddit.com/r/risa/
r/Stargate
58k  subs
All things dedicated to the 1994 Stargate movie and the MGM franchise: SG-1, Atlantis, Universe, Origins, video games and everything else.
https://reddit.com/r/Stargate/
r/StarWars
1m  subs
Star Wars is an American epic space opera franchise, created by George Lucas and centered around a film series that began with the eponymous 1977 movie.
https://reddit.com/r/StarWars/
r/sto
26k  subs
This is the official subreddit for Star Trek Online, the licensed Star Trek MMO, available on PC, PS4, and Xbox One. Share your glorious (or hilarious) in-game adventures through stories and screencaps, ask your game related questions, and organize events with your fellow Captains.
https://reddit.com/r/sto/
r/batman
256k  subs
The Dark Knight. The Caped Crusader. The World's Greatest Detective. Ol' Pointy Ears. A place to discuss the batman and all things batman related.
https://reddit.com/r/batman/
Subreddit for all things The Walking Dead.
https://reddit.com/r/thewalkingdead/
r/firefly
111k  subs
/r/Firefly, for all your Joss Whedon Sci-Fi western needs. The Reddit for everything in the Verse! Can't stop the signal. Shiny.
https://reddit.com/r/firefly/
r/sciencefiction
112k  subs
This reddit is for fans and creators of Science Fiction and related media in any form. SF topics should involve plausible ideas reached through the rational application of science. General speculative fiction posts are fine as long as they involve Science Fiction.
https://reddit.com/r/sciencefiction/
Official RedLetterMedia Subreddit
https://reddit.com/r/RedLetterMedia/
This is a subreddit based around sharing awesome, usually minimal and single-purpose websites and webtools. Also, note to self: If this subreddit gets huge, awesome, if it does not, I will simply use it to back up my bookmarks! << top kek Sure, I'm dissapointed you guys removed my post, I was keen to hear what people on the Internet thought of it. But it mainly saddens me to see beauty constrained by such tyranny
https://reddit.com/r/InternetIsBeautiful/
r/harrypotter
677k  subs
Welcome to r/HarryPotter, the place where fans from around the world can meet and discuss everything in the Harry Potter universe! Be sorted, earn house points, take classes with our fine Hogwarts staff, debate which actor portrayed Dumbledore the best, and finally get some closure for your Post-Potter Depression.
https://reddit.com/r/harrypotter/
r/BSG
25k  subs
Battlestar Galactica TV Series 1978 - 1980 2003 - 2010
https://reddit.com/r/BSG/
r/books
17m  subs
This is a moderated subreddit. It is our intent and purpose to foster and encourage in-depth discussion about all things related to books, authors, genres, or publishing in a safe, supportive environment. If you're looking for help with a personal book recommendation, consult our Weekly Recommendation Thread, Suggested Reading page, or ask in r/suggestmeabook.
https://reddit.com/r/books/
r/askscience
18m  subs
Ask a science question, get a science answer.
https://reddit.com/r/askscience/