How to watch Netflix on TV(Netflix tv app) using Netflix cookies?
Apply working Netflix cookies on your PC or phone (kiwi browser)
Go to netflix.com/tv9 site in pc or phone
Open Netflix app on your TV and press for a remote sign in
Enter those codes in your PC or phone and click enter
Boom 
, now watch and chill
Note
The account on your TV will be live only until the cookies are live on your PC or phone
And also if your TV supports 4k then you can enjoy 4k content with ease with (may be Dolby vision). In PC (chrome) video will be capped to 1080p**
So use it on TV for a better experience
Source: Onehack.us
Happy learning!
!