I really enjoyed this medieval television series; the music was excellent and so were the performances, characters, and plot. People who like shows set in that period, particularly those with similarities to Vikings, should consider checking it out—it's worthwhile. My only real concern involves the final season, where time jumps occur, but the actors don’t seem to have aged accordingly. Characters who ought to appear much older sometimes look quite young, and I can’t explain why this happened, though it’s unfortunately noticeable. Aside from that one issue, everything else about the show is very good.

Source on TMDB