7. The X-Files
The mystery series The X-Files – The Uncanny Cases of the FBI combines elements from the genres of horror, fantasy, and sci-fi. In it, the two FBI agents Dana Scully and Fox Mulder solve mysterious criminal cases that are of a supernatural nature.
For instance, they investigate peculiar occurrences involving alien phenomena or technologies and look into UFO sightings and abductions by aliens.
Fans appreciate the series, especially for its complex narrative and the relationship between the main characters. While Dana Scully thinks more rationally, Fox Mulder tends to come up with the wildest theories. Their different personalities and approaches often create interesting small conflicts and humorous moments.
What IMDb ratings say: With a total of 237,474 user ratings, the series averages 8.6 stars at IMDb.
If you already liked Stranger Things, you might also enjoy The X-Files.
Fun fact: The well-known theme music of the series was created by accident. The composer accidentally leaned on the keyboard during a long music session, on which the echo function was activated. He liked the sound so much that he composed the entire remaining intro melody around it (via people.com).
8. Battlestar Galactica
The sci-fi series aired from 2004 to 2009 and revolves around a group of survivors who seek safety aboard a military ship after the Cylons conducted a nuclear attack on humanity. They now try to reach the 13th human colony together.
Battlestar Galactica impresses with profound themes and existential questions. The characters face moral dilemmas, such as Admiral Adama, who must decide in the episode “33” whether to sacrifice a potentially allied ship to save the entire fleet.
What IMDb ratings say: Out of 10 stars, Battlestar Galactica achieves 8.7 with a total of 171,511 IMDb votes.
Fun fact: Edward James Olmos did not want any crazy aliens or monsters to appear in the series, focusing especially on human conflicts (via screenrant.com).