"Mazey Day" is controversial and problematic. On one hand, I appreciate the attempt at symbolism compared to the more straightforward approach of classic Black Mirror episodes. On the other hand, the entire episode feels like an ordinary B-horror flick taken from a completely different series, with uninteresting characters and a plot that barely fills 30 minutes...
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SPOILER Either way, my weakness for werewolf horrors and the straightforward gore ending elevates this episode a notch in my eyes. P. S. The Czech police officers were oddly amusing.