Step 1: Install Teleparty

Start by clicking the "Install Teleparty" button on this page to install Teleparty.
Step 2: Pin Teleparty

You should notice the "Tp" button next to your address bar after installing Teleparty.
Step 3: Play a movie.

Open a video on a streaming website. Consider going to Netflix and selecting whatever show you want to watch, then starting the video.
Step 4: Make a Teleparty

Click on the red "Tp" button next to the address bar to start creating your party. Once the party has begun, click "Start Party" and then invite friends by sharing the party URL.

Step 5: Join a Teleparty
Clicking on the party URL will take you to the Netflix website where you may join the party. When you do, you should instantly join the party. To do this, click the "Tp" icon next to the address bar.

 

Also checkout these useful extensions:-
http://crunchyrollparty.com
http://netflixparty.org
http://hotstarparty.live
http://privatewatchparty.us
http://netflixparty.xyz
http://netflixwatchparty.us
http://disneyplusgroupwatch.com
http://tele-party.com
http://netflixparty.de
http://telepartys.com
http://netflixwatchparty.live
http://bulkurlopener.live