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What could you accomplish if you had infinite power? That's the core question posed by the greatest sci-fi and fantastical stories. What if you were granted extraordinary powers? Or discovered a miraculous drug? What about every other human became dedicated to your happiness? Could you wield such power for the greater good, or would you succumb to your darker impulses?

These shows featured below all explore that very concept in distinct ways (aside from one notable exclusion). Presented here is our countdown of the 10 best seasons of science fiction & fantasy television from 2025.

10. Your Friendly Neighborhood Spider-Man

Despite more than six decades of history, Spider-Man is constantly reimagined by fresh talent. This series presents a refreshing look at the hero's formative years, skillfully combining classic source material story beats with ideas from the broader Marvel universe to create something that feels simultaneously new and deeply compelling.

Instead of being alone or having Iron Man as a guide, this version of Peter Parker develops a complex relationship with the future Green Goblin, who here is merely the head of Oscorp. Across their dynamic, Peter grows into his own man, learning the signature lesson of great power and responsibility.

9. Hazbin Hotel Season 2

Showrunner Vivienne Medrano's audacious mature musical-comedy show, which sprang from a fan-funded short, fully found its footing in its sophomore season. Following the game-changing events of the first season, the story expands considerably, following the scheming TV demon Vox who seizes control of the narrative, igniting a series of increasingly explosive confrontations that inevitably culminate in show-stopping song.

While it might not have a one viral hit on the level of season one's "Loser, Baby," that's because each element in this season being increasingly ambitious. The action, personal arcs, and above all the score and songs are collectively elevated. The story moves the overarching storyline dramatically while providing no shortage of weird, unhinged, and ultimately entertaining fantasy.

8. Daredevil: Born Again

Following the acclaimed Netflix show, this series faced enormous shoes to fill. After well-documented production challenges, the resulting product proves to be worthy of the effort. The story follows Matt Murdock after his dual life as Daredevil is exposed, making him a target to foes both past and new threats in a refreshed take of his well-known setting.

The first episode is explosive, capturing the gritty feeling audiences cherished from the original incarnation. Although the subsequent chapters venture into some different territory, the season concludes on a strong note, leaving viewers eagerly awaiting a second installment.

7. Common Side Effects

A surprising this year's highlight, this show could be described as a Breaking Bad with a sensibility of King of the Hill. Created by an Adult Swim veteran alongside comedy Steve Hely, the series follows the story of a nerdy fungi expert who discovers a miraculous fungus and quickly finds himself hunted by everyone from unscrupulous Big Pharma CEOs to government authorities.

Far from being a parody, the show plays out with the serious atmosphere of a classic paranoia film. Enhanced by hallucinogenic visuals and an eerie musical soundtrack, the story delves into bigger mysteries about the substance's true capabilities. It's a intelligent, visually striking, and utterly compelling ten-episode season.

6. Fallout Season 2

The acclaimed series of the popular video game franchise came back with a new season of stories that deepened its sprawling mystery and broadened its nuclear wasteland world. While it ventures in the direction of the legendary location of New Vegas, the season is not a straight adaptation of that game; rather, it continues to explore themes of authority and autonomy.

It skillfully juggles multiple storylines and perspectives, from Lucy's quest for answers to Maximus's reckoning with the ideology of the his faction. The result is a rich layered and wholly engaging addition to the expanding Fallout mythology.

5. Invincible Season 3

This visceral and heartfelt animated series keeps its winning momentum in season 3. Mark Grayson confronts immense pressure on all fronts: preparing for a looming Viltrumite invasion, guiding his powered sibling, and battling with the secretive Global Defense Agency. The story once again features some of the most intense fight sequences the show has ever produced.

The protagonist's physical and emotional endurance are repeatedly tested. He must grapple with foes more powerful than himself, the aftermath of his battles, and the ethical weight of his decisions. Excellent arcs for key cast members such as Cecil Stedman and Rex Splode complete a superb installment.

4. Peacemaker Season 2

The director's offbeat anti-hero show came back with elevated importance within the new DC canon, and season 2 executes on that count. While it effectively lays groundwork for future cinematic universe stories, it primarily tells a resonant and self-contained {