The series available on this site are the latest series. Any video or series on this site is still being supported. More series will be added in the future, so keep a lookout for changes! You may use the navigation on the left or the top right to select a series.
If you are looking for an older series that is not on the site, check out the YouTube channel. Hundreds of videos are available on the YouTube channel. There are plenty of playlists available that have tutorials grouped together.