Playlist Gallery for Youtube plugin allows you to create Gallery of Youtube Playlists by using ChannelId of youtube channel. You can create multiple playlist from multiple channel. To create a Playlist Gallery you need short code [ncpyt_playlists] and ChannelId of the youtube channel, to create gallery just create page and use shortcodes like [ncpyt_playlists channel_id=’<youtube channel id here>’], this is the shortcode you need to place where you want to show the Playlist Gallery for Youtube from perticular channel.
To use this plugin you needs to get api key from google console this plugin uses youtube api v3.
To install plugin check video here