The best and most credible way to realistically bring Stephen AND Cutter back would be a story line that shows the vies how both characters (the dead ones) were actully clones and the REAL Stephen and Cutter were lost in another time anomoly...this way their character and their personalities, memories etc would all be intact.  The ...

I was thinking Primeval could have a christmas special, like Doctor Who has! I mean they could all be celebrating Christmas at the ARC (if its still there after series 3 episode 3) and then an anomally appears at Santas Village and a creature starts terrerizes people! The creature could be a wintery creature so what do you think of it!