This section is dedicated to videos used in articles so users have a quick way of finding the relevant videos they are interested in.
Before you start adding content to the TV section, you should also add preview images to your category listing (see the bottom of the screenshot)
This page shows how to setup category images
Also note that it is important to use the correct URL format for youtube videos:
When creating a new video post, click Add new in the Posts section. In the right sidebar of the window, you have to fill out the following:
The following image shows what needs to be filled in order to display the post in the TV Section
The post does not need to have any content associated with it, but it is always nice to introduce the video to the reader using at least some description
To filter only Video posts you can use Filter as you can see on next screen: