Primeval is a UK Television show which is aired by ITV in the UK.
The series takes place in a paralel universe, it follows professor Nick Cutter and his team as they investigate anomolies in time found in the forest of dean.
Dinosaurs are moving between these time gaps, making the investation much harder and much more interesting!

The main sites link to videos of Primeval

Televisiononlineinfo.com
Sidereel.com
Yidio.com

I cant find any specific sites for the show that stream the episodes, what I have found are sites that are specifically setup for Primeval, but they are only trying to sell you something.

You can also watch on Itunes the link for this is:

You can also watch on Amazon the link for this show is:
Primeval - Amazon