The really well made and enjoyable video series ends with the story of the Mithra Serpent General, Mihli Aliapoh. Created by Ruaumoko.
Other videos about the other serpent generals are on his channel too, they are all really well done and entertaining.
https://i.imgur.com/KycyI6o.jpg
https://www.youtube.com/watch?v=nB5kzEauPqw