Primeval (2007)

S1E1 Leapin' Lizards

Title: Leapin' Lizards Plot: Eight years following the enigmatic disappearance of his wife Helen, Nick Cutter joins a team to explore sightings of a massive creature in the Forest of Dean. As they delve deeper, they uncover strange Anomalies in time and space that are enabling prehistoric beasts to emerge in the modern world.