The Best 10 Science Fiction & Fantastical Series of 2025
What would you do if you had boundless ability? That's a fundamental inquiry asked by all greatest sci-fi as well as fantasy tales. Imagine if you possessed extraordinary powers? Or stumbled upon a miraculous drug? What about every other human became dedicated to your personal satisfaction? Could you wield such power for the greater good, or give in to your baser instincts?
The shows featured below each confront this dilemma in distinct manners (with a single key exception). Outlined below is a countdown of the 10 best seasons of science fiction and fantastical television from 2025.
10. Your Friendly Neighborhood Spider-Man
Even after over six decades of history, Spider-Man continues to be reimagined by new creative voices. This series offers a refreshing look at the character's early days, skillfully merging classic source material story beats with ideas from other adaptations to create something which is both fresh and deeply engaging.
Rather than operating solo or Iron Man as a guide, this version of the hero forges a complex partnership with Norman Osborn, who here is still just the head of Oscorp. Across their interactions, Peter becomes his own man, internalizing the signature lesson of great power and great responsibility.
9. Hazbin Hotel Season 2
Showrunner Vivienne Medrano's boldly transgressive adult musical-comedy series, which originated as a fan-funded pilot, fully came into its own in its second season. Building on the game-changing revelations of season 1, the narrative broadens considerably, following the scheming TV demon Vox as he seizes control of the narrative, igniting a series of increasingly dramatic conflicts that inevitably end in elaborate musical numbers.
While it might not have a one breakout hit quite like the first season's "Loser, Baby," this is due to each element in this season being increasingly complex. The action, personal development, and above all the score and songs are all elevated. The story moves the main plot dramatically while providing plenty of weird, unhinged, and simply fun dark fantasy.
8. Daredevil: Born Again
Following the acclaimed Netflix show, this series faced enormous shoes to fill. Despite significant production challenges, the final show proves to be worth the wait. The plot follows Matt Murdock once his dual life as Daredevil is publicly revealed, leaving him vulnerable to enemies both history and present in a slightly take of his familiar setting.
The premiere is a thrilling return to form, capturing the gritty tone audiences loved from the original series. While the subsequent chapters venture into certain different narrative ground, the season concludes powerfully, leaving viewers eagerly awaiting a follow-up installment.
7. Common Side Effects
An unexpected 2025 highlight, this series could be described as an animated Breaking Bad filtered through a sensibility of a suburban satire. Helmed by Joe Bennett and writer Steve Hely, it tells the story of a nerdy fungi expert who discovers a miraculous mushroom and quickly finds himself hunted by forces including ruthless Big Pharma executives to federal authorities.
Far from being a parody, the narrative unfolds with the serious intensity of a 1970s paranoia thriller. Enhanced by hallucinogenic animation and an unnerving musical soundtrack, the story explores bigger questions about the substance's true effects. It's a intelligent, beautifully animated, and completely gripping ten-episode season.
6. Fallout Season 2
This acclaimed series of the iconic gaming series came back with a new batch of stories that deepened its epic lore and broadened its post-apocalyptic setting. Although it ventures in the direction of the legendary location of New Vegas, the story is not a straight adaptation of that game; rather, it further explore ideas of authority and autonomy.
It skillfully balances multiple narrative threads and perspectives, from the protagonist's quest for answers to Maximus's reckoning with the dogma of the his faction. The result is a deeply layered and utterly engaging addition to the ever-growing Fallout mythology.
5. Invincible Season 3
The visceral and emotionally charged animated series continues its powerful streak in its third outing. Mark Grayson faces tremendous challenges on all side: preparing for a coming Viltrumite invasion, guiding his powered sibling, and battling with the shadowy Global Defense Agency. The story also features some of the most brutally intense action sequences the series has yet produced.
The protagonist's physical and emotional endurance are constantly tested. He must contend with foes stronger than himself, the aftermath of his battles, and the ethical weight of his decisions. Standout storylines for key cast members such as Cecil Stedman and Rex Splode complete a superb season.
4. Peacemaker Season 2
James Gunn's offbeat superhero series came back with elevated significance within the revamped DC universe, and season 2 delivers on both fronts. Although it effectively establishes foundations for future DCU stories, it primarily presents a powerful and self-contained {