5.12 - preview articles (spoilers!) - central post
Spoiler alert! All articles contain spoilers.
This post will be updated as new previews are published.
CultFix: Merlin: Series 5 Finale Review “The Diamond of the Day - Part 1″ 8/10 (new)
CultBox: 'Merlin': 'The Diamond of the Day (Part One)' Spoiler-Free Review 4/5 (new)
SFX: Merlin 5.12 “The Diamond Of The Day, Part One” Spoiler-Free Preview
Radio Times: Merlin Finale Part 1 preview - "It's the Best of the Series So Far"
SciFi Bulletin: Merlin: Review: Series 5 Episode 12: The Diamond of the Day part 1 8/10