Generally I enjoyed it a lot! I like that it is quite ambitious as it tries to depict all of Merlin’s life, basically incorporating all of Arthur’s life and reign as well, without looking too rushed. I enjoyed a LOT of elements, from the idea that gods need to be believed in to exist, to the misunderstanding with Galahad (truly, an original and satisfactory reinterpretation of Galahad’s role).
But while I liked the story, somehow I couldn’t get too attached to the characters. I didn’t like how there is only one ‘good’ female character (Nimue), who ends up being chastely closed into a nunnery because apparently being scarred ended her life. The other main female characters are Mab, Guinevere and Morgana (I wouldn’t consider Elaine, Merlin’s mother and the Lady of the Lake as main characters as they only appear briefly) and they are depicted as power hungry and/or sex hungry. A bit disappointing. And I admit I didn’t like the other male characters either, there was always something that stopped me (Arthur seems too arrogant, Mordred is plain villain, Merlin is a bit flat?), a part from Mab’s helper (I don’t remember his name), which started as a comedic character but ended up having a nice dramatic arc.
At the same time, the actors and actresses were great. It has a great quality for a tv miniserie.