Primeval - Season 4 Episode 5 -

Connor and Abby are sent to a coastal village, where there have been indications that an anomaly has opened, however it is fluctuating. Once there they discover a Labyrithodont, which has been attacking the local cattle and killed a tourist. Matt follows the tracker Emily carried to a cemetery where Ethan has taken her and finds Emily bound and gagged inside a coffin, but Ethan escapes. Gideon warns Matt that Ethan presents a terrible danger to humanity.