It is a common practice to watch movies to kill time when in transit or public places. Some like comedy films to relieve stress, others are keen on sci-fi movies to gain a deep understanding of science and technology. To meet the needs of sci-fi film fans, this article lists top 10 sci-fi movies and demonstrates how to download YouTube sci-fi movies fast and well.

However, you might tend to choose online YouTube downloader to get your desired movies for free. But it is an indisputable fact that such online downloader is confined to internet connection and delivers pop-up ads for the sake of business needs. In the long run, owning a professional video downloader can help you achieve remarkable results. Here comes the best free video downloader, DVDFab Downloader, to download whatever you like when streaming YouTube.

1. How to Download YouTube Sci-fi Movies with DVDFab Downloader

This step-by-step guideline help you master how to download YouTube sci-fi movies, thus making the best use of this YouTube downloader.

Step 1: Run this YouTube downloader and search your movie

Download and install this downloader for 30-day free trial, and opt for ‘YouTube’ when it runs. Then input your desired movie name in the search bar and press ‘Enter’ to the next ‘Download’ interface.

Download YouTube Sci-fi Movies with DVDFab Downloader

Step 2: Choose video quality

As shown below, tab ‘Download’ arrow to select your wanted video quality. This downloader sets ‘Best’ as output quality by default.

Download Movies with the Best Free Downloader

Alternatively, you can copy & paste YouTube video URL in the box. If you want to download YouTube movies in batch, add all URLs in the text line by line. Then choose your desired video quality.

Download Sci-fi Movies with URL Downloader

Step 3: Start to download YouTube movies

Once done, tab the ‘Download’ button and wait for the movie to be downloaded. If you subscribe to premium version of YouTube downloader, Turbo-speed, supported by GPU Hardware Acceleration, will be activated to quicken the downloading process. You can search the downloaded movie (s) from ‘Local Files’ on the left pane. By the way, you can enjoy downloaded movie with the best 4k media player, DVDFab Player 6.

2. Top 10 YouTube Sci-fi Movies You Shall Know

After knowing how to download YouTube movies, it’s necessary to put this downloader into practice. To meet your personal preference, here are 10 best YouTube sci-fi movies for your option.

1.       The Martian (2015)


The Martian is an American Science Fiction movie that was released in the year 2015. The movie is about a mission on which a whole crew goes to Mars, but due to some storm, they aborted the mission and took off from there but Mark Watney gets into storm, and the crew member thinks he is dead. So, they return from there. But, later while checking some coordinates in the NASA office, it was found that some movement is happening, and that was a clear sign that Mark Watney was still alive.

The movie is all about the survival of Mark Watney on the Mars for nearly 2 years by using his science skills. The movie is loved by viewers, and it has got 8 ratings on IMDB. This is one of the best sci-fi movies on YouTube.

2.       Interstaller (2014)

Earth is slowly becoming inhabitable as it seems due to seeing some strange dust patterns that were weird. Ex-NASA pilot Cooper is sent on a planet exploration mission with his team to know which planet can sustain life so that when Earth will become inhabitable, humans can be departed there. The movie is all about the story of the team going to planets using their Endurance spacecraft. The movie is quite nice, and it has 8.6 ratings on IMDB.

3.       Avengers (2012)

Avengers movie was released in 2012 in which the SHIELD leader Nick invites all the Avengers such as Iron Man, Thor, Captain America, Hulk, and others to work in a team and fight with Loki who poses threat to the Earth. The movie has some really great science fiction elements. Different kinds of animals and dragons start coming out from a hole in the sky and the Avengers fight with them, and finally, they win the battle.

The movie was a blockbuster movie on the box office, and it has 8.1 movie ratings on IMDB.

4.       Dawn of the Planet of the Apes (2014)

Dawn of the Planet of the Apes is an American science fiction film directed by Matt Reeves. In the movie, Ten years after a rife disease, apes including Caeser who have endured the disease confronted with a bunch of human survivors.

The movie has great visual effects and a great work of science fiction. The movie has 7.6 IMDB ratings.

5.       Inception (2010)

Inceptionis the most mysterious science fiction movie that many viewers say that what actually happened in the climax is not sure. That means they are not sure about the climax because they are still confused if that is in the dream or reality.


The movie has screen-played something different as Cobb steals information from people’s mind by entering into their dreams. If you want to thrill yourself, watch Inception but make sure you give full attention to it because you cannot understand the movie if you don’t have attention. It has 8.8 movie ratings on IMDB. This is the best movie of its kind and one of the best sci-fi movies on YouTube as well.

6.       Life (2017)

Life is a great science fiction movie released in the year 2017. It is one of the best sci-fi movies on YouTube in recent years. While on a mission, astronauts found out the extra-terrestrial life on Mars, and while examining that they found out that the life form is quite intelligent and hostile. It keeps on expanding and kills everyone on the spacecraft. When the two astronauts are left, they plan that one will take that life form to space, and another will launch to the earth. But, they made a mistake and the astronaut and that life form reaches to earth and another one left in the space. The movie ends there, but it is believed by them that the life form must not reach earth because it was very dangerous.


If you really like the sci-fi genre, you must not miss this movie. This is a free sci-fi movie on YouTube. The movie has only 6.6 IMDB ratings, but the movie is better than what ratings show.

7.       Gravity (2013)

Gravity is another great science fiction movie released in the year 2013. In the movie, Dr. Ryan Stone and Matt Kowalski went on a space mission but they get hit by debris while spacewalking. Later, Matt float away in the space to save Dr. Ryan because if he doesn’t detach himself, Ryan could go into space. So, he gives up and float away. Now, Ryan is alone in the space. She keeps trying to make contact to earth or Matt, but she failed. She gives up and stops the oxygen supply of the cabin she was in. But, then Matt comes and give her some strength, but later she realized that the matt’s appearance was just her hallucination. She then again filled with motivation, and finally, she reaches to earth.

It is a great space movie and is on the list of the best sci-fi movies on YouTube. It has 7.7 IMDB ratings.

8.       Ex Machina (2014)

Ex Machina is a superb sci-fi movie released in the year 2014. In the movie, Caleb Smith, a programmer in a search engine company, wins a contest in office and gets a chance to one-week visit to the isolated house of the CEO of the company, Nathan. When Caleb reaches there, he comes to know that Nathan has chosen him to be the human part of is AI experiment to put into the robot Ava.

The movie has 7.7 IMDB ratings, and a good movie to enjoy this rainy season.

9.       Destination Moon (1954)

Destination Moon is one of the very few 1950s sci-fi movies on YouTube that you can still watch on YouTube. The movie was made in those days when there are not many technologies available, but still, the movie is great. In the movie, Charles and a group of scientists try to launch a spaceship from earth for Moon. Finally, they got success and reached to the moon. They face some difficulties on the way. They reach moon, and they photographed each other on Moon. They experienced the lunar surface. But, when the time comes to return, they had to lighten up the spaceship and that can be done only if someone from the crew member stays on the moon. But, they found a way to launch with all crew members on board. The movie has 6.4 IMDB ratings.

10.   The Cloverfield Paradox (2018)

The Cloverfield Paradox is an American science fiction movie that has only 5.6 IMDB ratings, but the movie is very nice for the one who loves science fiction. While orbiting above the Earth on the brink of catastrophic energy wars, scientists test a dangerous device that could provide unlimited power, but it creates a horrifying paradox in which they meet different people on the spaceship from a different world. You have to watch the movie to understand and enjoy.

These are the best sci-fi movies on YouTube to watch in 2018. Now, let’s talk about how to download these from YouTube.


Actually, this best free video downloader allows you to download video or audio from 1000+ sites with the highest quality (320kbps for audio and 8k for video) and fastest speed. Next time when you want to kill time by watching loved movies regardless of streaming online, go and try this best video downloader. Once installation, it will provide you with stunning user experience.