Disney+ may be best known among science fiction fans for its library of blockbuster movies, but it also includes several sci-fi shows that are more than worth a watch. While the platform leans heavily into cinematic universes and film franchises, the Disney+ series lineup proves that compelling, long-form science fiction storytelling thrives on streaming too.
Between the Star Wars saga, the Marvel Cinematic Universe, and even some underrated Disney Channel originals, the collection of sci-fi shows on Disney+ spans multiple generations of storytelling. What’s less common, however, are series that actually conclude their stories rather than leaving audiences hanging with canceled arcs or ongoing narratives. That makes completed shows on the service particularly valuable for fans seeking closure.
That’s what makes the best finished sci-fi shows on Disney+ stand out on the platform – they can be binged from start to finish without interruption. From animated galaxy-spanning adventures to inventive sci-spy thrillers, these are the series that provide a complete journey well worth experiencing for any science fiction fan.
Class Of ‘09 (2023)
A Time-Bending FBI Thriller With A Full-Circle Story
Class of ‘09 is a rarity among sci-fi shows on Disney+: a miniseries that knows exactly where it’s going. Starring Brian Tyree Henry as Tayo and Kate Mara as Ashley, the show follows FBI agents across three timelines – past, present, and future – as technology reshapes both their personal lives and the justice system itself.
The story’s structure is its biggest strength. By jumping between eras, Class of ‘09 explores how each decision echoes across decades, showing a society transformed by predictive policing and AI-driven surveillance. It isn’t just a futuristic premise for spectacle’s sake – it’s a meditation on fate, free will, and responsibility in the age of technology.
Best of all, it’s a completed narrative. With just one season, Class of ‘09 doesn’t overstay its welcome, delivering a taut, thought-provoking story that ties its timelines together by the finale. For fans seeking a compact, high-concept thriller, this is one of the most rewarding complete sci-fi shows on Disney+.
Marvel’s Agents of S.H.I.E.L.D. (2013-2020)
A Marvel Epic That Evolves Far Beyond Its Origins
When it premiered, Marvel’s Agents of S.H.I.E.L.D. seemed like a small-scale spinoff of the MCU, centered on Phil Coulson (Clark Gregg). Across seven seasons, however, the series carved out its own identity, taking increasingly bold risks with storytelling that pushed the boundaries of TV superhero science fiction.
From exploring alien civilizations to diving into time travel arcs, the show’s later seasons embraced full-throttle sci-fi storytelling. Daisy Johnson (Chloe Bennet) grew from rookie agent to commanding hero, while complex storylines involving the Inhumans, artificial intelligence, and alternate timelines gave the series an epic scope.
Crucially, Agents of S.H.I.E.L.D. wrapped up with a satisfying finale. Instead of being abruptly canceled, the series tied together its core themes of family, sacrifice, and resilience. For fans seeking a Marvel series with a complete arc and room to breathe, it remains one of the most ambitious sci-fi shows on Disney+.
Star Wars: The Clone Wars (2008-2013)
A Galaxy-Spanning Saga That Enriches The Star Wars Universe
Few animated shows have elevated their source material the way Star Wars: The Clone Wars did. Expanding on the prequel trilogy, the series dove deep into the conflict between the Jedi, the Republic, and the Separatists while exploring characters sidelined in the films, such as Anakin Skywalker (Matt Lanter) and Ahsoka Tano (Ashley Eckstein).
What makes The Clone Wars such a standout is its layered storytelling. The series doesn’t just deliver space battles – it interrogates the moral gray areas of war, the corruption of the Republic, and the emotional toll of duty. Its arcs often feel like mini-movies, from the tragedy of Fives to the Siege of Mandalore.
The completion of the story is what elevates it even further. Ending in a final season that ties directly into Revenge of the Sith, the show delivers closure while setting up future events in the saga. For Star Wars fans, it’s one of the most complete sci-fi journeys on Disney+.
Gravity Falls (2012-2016)
A Mystery Box Series That Sticks The Landing
While it may have been billed as a Disney Channel animated series, Gravity Falls grew into one of the most inventive sci-fi shows on Disney+. The story follows twins Dipper (Jason Ritter) and Mabel Pines (Kristen Schaal) as they spend the summer unraveling supernatural and sci-fi mysteries in a small Oregon town.
What began as a quirky monster-of-the-week comedy quickly transformed into a dense, interconnected narrative. Cryptograms, hidden codes, and long-running mysteries turned the series into a puzzle box for fans, while its exploration of alternate dimensions and time travel gave it strong sci-fi credentials.
Most importantly, creator Alex Hirsch ended the series on his own terms. The two-season run concludes with “Weirdmageddon,” a spectacular finale arc that provides emotional closure while paying off years of build-up. For fans seeking a complete story filled with both humor and heart, Gravity Falls remains an essential sci-fi series.
Star Wars Rebels (2014-2018)
A Rebellion Story That Balances Adventure And Emotion
Following a ragtag crew aboard the Ghost, Star Wars Rebels delivers one of the most satisfying sci-fi shows on Disney+ thanks to its four-season arc. Centered on Ezra Bridger (Taylor Gray) and Kanan Jarrus (Freddie Prinze Jr.), the series bridges the gap between The Clone Wars and the original trilogy with a tightly written rebellion story.
What sets Rebels apart is its focus on found family and mentorship. Kanan’s bond with Ezra anchors the series emotionally, while the larger battle against the Empire unfolds with increasing stakes. The inclusion of fan-favorite characters like Ahsoka Tano and Grand Admiral Thrawn (Lars Mikkelsen) enriches the lore without overshadowing the new heroes.
The series ends on a note of both resolution and mystery, tying up core arcs while leaving room for future stories explored in other Star Wars projects. For those wanting a complete, character-driven saga within the galaxy far, far away, Rebels is a must-watch.
The Handmaid’s Tale (2017-2025)
A Chilling Dystopia That Tells A Full Arc Of Resistance
Adapted from Margaret Atwood’s classic novel, The Handmaid’s Tale isn’t just dystopian – it’s a deeply human sci-fi drama. Set in the totalitarian Republic of Gilead, the series follows June Osborne (Elisabeth Moss) as she navigates oppression, survival, and ultimately rebellion against a regime built on control and surveillance.
While the first season closely adapted the novel, later seasons expanded the story into a broader saga of resistance. Themes of power, autonomy, and systemic control place it firmly within speculative science fiction, making its world both horrifyingly plausible and narratively compelling.
Across its run, the series managed to maintain momentum, culminating in a final season that provides resolution for its central characters while examining the cost of freedom. By the time the narrative arc is complete, The Handmaid’s Tale stands as one of the most philosophically heavy and thought-provoking sci-fi shows on Disney+.
Loki (2021-2023)
A Multiversal Character Study That Finds Closure
While Loki began as another MCU spinoff, it evolved into one of the most inventive sci-fi shows on Disney+. Tom Hiddleston’s Loki found himself in the Time Variance Authority, a bureaucratic nightmare policing the multiverse, and the series used that premise to explore destiny, identity, and sacrifice.
The first season introduced the TVA, Mobius (Owen Wilson), and Sylvie (Sophia Di Martino), laying the groundwork for multiversal chaos. However, it was the second season that truly elevated the show, blending emotional storytelling with high-concept sci-fi as Loki embraced his role in holding together the strands of reality itself.
By the finale, Loki’s journey reached its conclusion in a way that felt definitive and mythic. Unlike many MCU projects, Loki told a complete story across its two-season run, making it one of the rare superhero shows that sticks the landing with both spectacle and heart.
Alias (2001-2006)
A Spy Thriller With Sci-Fi Twists That Tells A Complete Story
Alias remains one of the defining sci-fi spy thrillers of the 2000s, and its presence among sci-fi shows on Disney+ makes it essential viewing. Starring Jennifer Garner as Sydney Bristow, the series blended espionage action with fantastical technology and ancient prophecies, creating a hybrid of spy drama and high-concept science fiction.
The show excelled in its ability to reinvent itself. Across five seasons, Sydney faced betrayals, shifting allegiances, and mysteries tied to the enigmatic works of Milo Rambaldi. The serialized storytelling kept viewers invested, while the science fiction elements – from advanced gadgets to near-future bioweapons – gave Alias its unique identity.
Unlike many spy thrillers that fizzle out, Alias delivered a full arc for Sydney, resolving long-running storylines while offering emotional closure. For fans craving a sci-fi thriller with a finished narrative, it stands as one of the most complete and compelling series Disney+ has to offer.