The Greatest Adventure: King Arthur
Join Finn and his dragon Haldor, as they fly through the air on a one-of-a-kind adventure, with classic fairy tale bedtime stories along the way.
Starring
Watch "The Greatest Adventure: King Arthur" on Tubi TV released in 2018. It's a animation and kids movie, and has a rating of 8.8 out of 10 from Imdb which is very high for this kind of movie, and is currently available to watch for free.