Sadeyo

To make a playlist on YouTube, just go to the top of your channel page, there should be a bunch of tabs with "Videos and Playlists" as the furthest right one. Here you can arrange what playlists are visible on your channel, what order they go in and the layout, etc. To actually create a playlist just go to "My Videos" and "Playlists", then hit "New" (kind of small button) at the top of the screen).