Best Sci-Fi Series to Watch Now

Published On

July 29, 2025

Science fiction is a genre loved by many as it takes audiences beyond the familiar, exploring breathtaking future worlds, cutting-edge technology, and head-scratching ‘what if’ scenarios. Sci-fi series build incredibly detailed universes, allowing for deep character development and intricate storylines that can immerse you for hours. It’s a genre that consistently pushes the creative boundaries of TV and continues to offers fans endless possibilities.

To help you find your next compelling sci-fi watch, we’ve carefully picked the best sci-fi series available to stream right now. Our curated list spans thrilling futuristic narratives, thought-provoking dystopian tales, and epic space adventures. So clear your calander, get some snacks in, and prepare for a journey.

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Our aim is to provide a reliable guide for your next sci-fi adventure, so our approach for putting together this list of the top sci-fi series combines factors like newness, trending relevance, and of course, critical reception. This gives you a clear and widely recognised measure of audience and critical approval. This ranking method ensures that our selections only have the most highly regarded and widely impactful shows within sci-fi.

For each TV series, you’ll find comprehensive details to help you decide what to watch. Which includes the title, the cast, and the streaming service where it’s available in Australia. We also give you a brief synopsis and the runtime, giving you a complete overview before you take the plunge.

1
Rank: #11
1
Rank: #11
2
Rank: #13
2
Rank: #13
3
Rank: #18
3
Rank: #18
4
Rank: #22
4
Rank: #22
5
Rank: #23
5
Rank: #23
6
Rank: #36
6
Rank: #36
7
Rank: #38
7
Rank: #38
8
Rank: #48
8
Rank: #48
9
Rank: #55
9
Rank: #55
10
Rank: #57
10
Rank: #57
11
Rank: #61
11
Rank: #61
12
Rank: #69
12
Rank: #69
13
Rank: #70
13
Rank: #70
14
Rank: #77
14
Rank: #77
15
Rank: #81
15
Rank: #81
16
Rank: #83
16
Rank: #83
17
Rank: #95
17
Rank: #95
18
Rank: #97
18
Rank: #97
19
Rank: #98
19
Rank: #98
20
Rank: #99
20
Rank: #99

Looking for something else? Find it here.

What are the key elements that define a truly great sci-fi series?

A great sci-fi series often blends compelling narratives with innovative concepts, exploring philosophical questions about humanity and technology. It usually features immersive world-building, strong character development, and a consistent internal logic that allows you to genuinely believe in its futuristic or speculative setting.

How do “futuristic thrillers” keep viewers engaged over multiple seasons?

Futuristic thrillers maintain engagement through high stakes, complex mysteries, and often a sense of impending danger. They expertly weave social commentary into their narratives, pushing boundaries with technology’s impact on society, and deliver unexpected plot twists that keep you guessing about humanity’s fate.

What distinguishes a “dystopian tale” from other types of sci-fi series?

Dystopian tales typically present a seemingly perfect society with a dark, oppressive underside, exploring themes of control, conformity, and rebellion. They often serve as cautionary tales about humanity’s future, highlighting the consequences of unchecked power and the resilience of the human spirit against overwhelming odds.

Are “space adventures” on streaming services mostly about action, or do they offer more?

While space adventures certainly deliver thrilling action and stunning visuals, the best ones also offer profound exploration of human nature, ethics, and discovery. They often involve complex political intrigue, diverse alien cultures, and the vast mysteries of the cosmos, providing both excitement and deep thought.

How current are the “best sci-fi series” on your list? Will I find new releases?

Our list includes a mix of critically acclaimed recent hits and enduring favourites that continue to define the genre. We aim to keep our recommendations current, ensuring you discover both established masterpieces and the latest compelling series that are making waves in sci-fi circles right now.

What makes sci-fi series particularly well-suited for binge-watching?

Sci-fi series are perfect for binge-watching due to their serialised nature, often featuring intricate plots that unfold over many episodes. Their immersive worlds and ongoing mysteries encourage continuous viewing, making it easy to lose yourself in their narratives for hours and experience the story as a cohesive whole.

Will these series push the boundaries of my imagination with new concepts?

Absolutely! The strength of great sci-fi lies in its ability to introduce groundbreaking concepts, from advanced AI and time travel to parallel universes and alien civilisations. These series continually challenge your perceptions of what’s possible, sparking curiosity and inviting you to consider extraordinary new ideas. Think Apple TV+’s Severance and Murderbot or HBO’s Westworld.

Are these highly-rated sci-fi series widely available on Australian streaming platforms?

Yes, you’ll be pleased to know many of the best sci-fi series are readily available on popular Australian streaming platforms like Netflix, Stan, Amazon Prime Video, and Apple TV+. There’s also a great deal of sci-fi content on Max, which you can also access via Foxtel. The growing demand for quality sci-fi means these services are continually expanding their impressive collections for you to explore.

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