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How could you accomplish if you had boundless power? That's the core inquiry posed by the greatest science fiction as well as fantastical tales. Imagine if you were granted extraordinary powers? Or discovered a life-altering drug? Or if each and every other person was wholly committed to your personal satisfaction? Would you use such power for the greater good, or would you succumb to your own baser impulses?

These television series featured herein each explore this dilemma in various ways (aside from a single notable exclusion). Presented below is a countdown of the ten best installments of science fiction & fantasy TV from 2025.

10. Your Friendly Neighborhood Spider-Man

Despite over six decades of stories, Spider-Man is constantly reimagined by new creative voices. This series presents a novel perspective at the character's formative days, skillfully blending classic comic story beats with ideas from the broader Marvel universe to craft something which is both fresh and profoundly engaging.

Rather than operating solo or Tony Stark as a mentor, this iteration of Peter Parker develops a evolving relationship with Norman Osborn, who here is merely the head of Oscorp. Across their interactions, Peter grows into his own man, learning the signature mantra of great power and responsibility.

9. Hazbin Hotel Season 2

Showrunner Vivienne Medrano's audacious mature musical-comedy show, which originated as a crowdfunded short, fully found its footing in its second season. Building on the game-changing revelations of the first season, the narrative expands significantly, centering on the ambitious media overlord Vox as he seizes control of the narrative, igniting a chain of increasingly explosive confrontations that naturally end in show-stopping song.

Although it may lack a single breakout song quite like season one's "iconic tune," this is due to everything in this season being increasingly interwoven. The fight sequences, personal arcs, and especially the music are all elevated. The season advances the main plot dramatically while providing plenty of bizarre, unhinged, and simply fun fantasy.

8. Daredevil: Born Again

As a successor to the legendary Netflix show, this series faced enormous shoes to fill. Despite well-documented production challenges, the final show proves to be worth the effort. The story centers on Matt Murdock after his secret identity as Daredevil is publicly revealed, making him a target to foes both history and new threats in a refreshed take of his familiar world.

The first episode is a thrilling return to form, capturing the gritty tone audiences loved from the original incarnation. Although the subsequent episodes explore some different territory, the first season finishes powerfully, leaving fans keenly anticipating a second installment.

7. Common Side Effects

A surprising 2025 highlight, this series is essentially a crime saga with the humor of a suburban satire. Helmed by an Adult Swim veteran and comedy Steve Hely, it tells the saga of a nerdy fungi expert who discovers a miraculous mushroom and soon finds himself pursued by everyone from ruthless pharmaceutical CEOs to government agents.

Despite being a spoof, the narrative plays out with the serious atmosphere of a classic conspiracy thriller. Accentuated by trippy visuals and an unnerving musical soundtrack, the story explores deeper questions about the mushroom's true effects. It's a intelligent, visually striking, and utterly gripping ten-episode season.

6. Fallout Season 2

The acclaimed series based on the popular gaming franchise came back with a new season of episodes that deepened its epic lore and expanded its post-apocalyptic world. While it ventures toward the fan-favorite location of New Vegas, the story is far from a direct retelling of that game; rather, it continues to explore ideas of authority and autonomy.

It expertly balances several storylines and perspectives, from Lucy's mission for answers to Maximus's struggle with the dogma of the his faction. The result is a rich detailed and utterly absorbing chapter to the ever-growing wasteland saga.

5. Invincible Season 3

This visceral and heartfelt adult animation series continues its winning streak in its third outing. Mark Grayson faces immense pressure on every fronts: training for a coming Viltrumite threat, mentoring his powered sibling, and clashing with his shadowy GDA. The story also includes some of the most intense action scenes the show has ever delivered.

Mark's bodily and emotional limits are repeatedly tested. He must grapple with foes more powerful than himself, the consequences of his actions, and the ethical burden of his decisions. Excellent arcs for key characters such as Cecil Stedman and Rex Splode round out a superb season.

4. Peacemaker Season 2

The director's irreverent anti-hero series returned with elevated importance within the new DC canon, and season 2 delivers on that fronts. While it successfully establishes groundwork for future DCU stories, it also presents a resonant and self-contained {