User blog comment:Ḡwẵine Ḹٍٍkƨ Ĺiĸe Ͼềлȑềd/Why was the Battle of Camlann the theme of Series 4?/@comment-4650675-20121214132112/@comment-4190137-20121214133813

Hmmm... so it's another battle with red sky and Morgana pleading to Emrys? Okay... Definitely computes.

Anyway perhaps you are right, but that battle wasn't referred back to for the rest of Series 4 after Morgana's dream.