To cast this video to your smart TV:
From your phone
Click “Watch on YouTube” at the bottom right of the video
In the browser (or YouTube app), press fullscreen
From the fullscreen, press “Airplay” icon at the top of the screen and look for the name of your TV
From your MacBook
Go to “System Settings” then look for “Displays”
At the Display menu, click on “+” icon located at the bottom then click on the name of your TV
If you see the video above in your TV, click on fullscreen to watch the video
From your PC laptop
Press “Windows + K” to open cast menu shortcut
At the menu from the menu bar below, look for the name of your TV