Primeval
When strange anomalies start to appear all over England, Professor Cutter and his team must track down and capture all sorts of dangerous prehistoric creatures from Earth's distant past and near future.
6. Traitor Revealed
8.3Feb 16, 2008 · 52 min
The team are sent to deal with a Columbian Mammoth rampaging on the M25, and attempt to save a trapped motorist before she frightens the Mammoth into attacking again. Meanwhile, Connor and Abby search for the missing Rex and Caroline, and Stephen reveals his alliance with Helen Cutter. Connor and Cutter spring their trap to find the traitor in the ARC, and Oliver Leek's true colours are exposed and the team race to track him down.