Episode 4.7 (Primeval)
A pair of anomalies opens in a prison, one to the Pliocene allowing a terror bird to attack, and Danny Quinn to return. He meets Ethan and realises that he is his lost younger brother, Patrick Quinn. Matt reveals to Emily that he is from the future, and trying to prevent an apocalypse involving the anomalies. Emily returns to the 19th century. Danny warns the team that Philip Burton was involved with Helen Cutter, then he follows Patrick into the Pliocene. Connor discovers that the incidence of anomalies is increasing, and is potentially dangerous.read more