Episode #1.2 - S1-E2
Continuity mistake: Sarah Lancashire has an eye injury. On visiting her ex-husband the scarring is gone. When she gets up it's back again. (00:50:40)
Happy Valley (2014)
1 continuity mistake in Episode #1.2
Starring: Siobhan Finneran, Charlie Murphy, Sarah Lancashire, Shane Zaza
Episode #1.5 - S1-E5
Factual error: Catherine is told she's been recommended for the Queen's Police Medal for Gallantry. This has not been awarded since 1977, when it was replaced by the Queen's Gallantry Medal, which is still awarded.