How to Watch Big Bang Theory on Firestick [2021]

Big Bang Theory is an American TV series that gets mixed reviews after the launch of the first season of the series. But the second and third seasons gave a super hit and after which they continued to film the upcoming seasons. Currently, there are 12 seasons of Big Bang Theory is available to watch and in this article, we guide you on how to watch Big Bang Theory on Firestick for free.

What is Big Bang Theory?

Big Bang Theory is a comedy series where two scientists understand how the universe works. And the main scene is that they will not interact with other outside peoples and especially women. And this situation will change when a glamorous beauty enters the scene and the story continues. This is just a season story and you can watch it by following the below tutorial.

Tip-off !!

Streaming without a VPN exposes your IP address, making you vulnerable to privacy breaches and hacker attacks. Without encryption, your online activities are more susceptible to monitoring by ISPs, snoopers, and the government. Lastly, accessing geo-restricted content may be impossible without a VPN, limiting your entertainment options. Hence, it is recommended to use a VPN.

Of all the available VPNs, I recommend NordVPN if you ever want to watch the desired movies, TV shows, or sports events on your Firestick without risking your privacy. NordVPN is the fastest and best VPN service provider with global coverage. You can now avail yourself of the New Year's deal of 67% off + 3 Months Extra of NordVPN to stay anonymous.

With NordVPN on Firestick, your internet traffic gets encrypted, so your IP and identity stay anonymous. You can stream the desired content while staying away from the government and other online intruders.

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How to Watch Big Bang Theory on Firestick

You can watch The Big Bang Theory on your Firestick device with the help of the Cinema HD app. It is not available on the Firestick app store, so let’s sideload the Android app on Firestick and start streaming it in HD.


To sideload Android apps in Firestick Unknown sources installation must be turned on. If you have already turned it on, then follow the below steps. If not, then turn it on by navigating to Settings –> My Fire TV –> Developer options –> Apps from Unknown Sources-> Turn on.

Steps to Watch Big Bang Theory on Firestick

Step 1: Connect the Firestick device to your TV and turn it on.

Step 2: In the Home screen, click the Magnifier (search) icon.

Step 3: In the search box, type Es File Explorer.

Big Bang Theory on Firestick

Step 4: In the list of apps, select the Es File Explorer app and click Get button on the next step.


Step 5: After installation process is complete, click Open to launch the app.

click Open - Big Bang Theory on Firestick

Step 6: Navigate to Download Manager-> Downloader in the Es File Explorer app.

go to Downloader - Big Bang Theory on Firestick

Step 7: Tap the plus button in the bottom navigation bar.

click + icon - Big Bang Theory on Firestick

Step 8: In the path file, type the Cinema HD apk download link  and click Download Now button.

tap download button

Step 9: Wait for the app to be downloaded, download time depends on the internet speed on firestick.

click open file

Step 10: Click Open File and tap the Install button.

Step 11: After Cinema HD app is installed, then click Open to launch the Cinema HD app.

Tap open - Big Bang Theory on Firestick

Step 12: In the search box, with the help of onscreen keyboard, type Big Bang Theory and hit Enter.

type Big Bang Theory

Step 13: Now select the Big Bang Theory series as highlighted in the image below.

Step 14: In the next screen, select the season you want to watch, it has all the 12 seasons of Big Bang Theory.

select the seasons - Big Bang Theory on Firestick

Step 15: Select the quality of the streaming you want, we recommend you to select either HD or Full HD to get a better viewing experience on Firestick.

select the streaming quality

Step 16: You can watch any seasons of Big Bang Theory at anytime in HD.

Big Bang Theory on Firestick

For a detailed guide and alternative methods to install Cinema HD Apk on Firestick, follow this link.

Alternative Methods to Watch Big Bang Theory on Firestick

If you’re in the US and have an active CBS or HBO MAX or Prime Video subscription, then you can watch it directly on the particular apps. Yes! both the above-mentioned apps have Big Bang Theory included in their subscription. Just search for the series and start watching any seasons up to 4K quality on your Firestick device.

To Conclude

Finally in the above tutorial, we explained to you the step-by-step instructions on how to stream Big Bang Theory on your Firestick device. For a clearer understanding, we have also attached screenshots of each step. Although if you face any issues during the installation process, feel free to share them with us in the comment section below.