Recap: Primeval S 1 E 1

Professor Nick Cutter isn't too pleased when one of his students, Connor Temple, comes to him gushing about some mysterious creature caught on grainy CCTV - but changes his mind when he learns it's in the Forest of Dean where his wife Helen vanished eight years ago. Upon investigating, they find Abby Maitland, a zoologist who's been contacted about a strange flying lizard found by a schoolboy. Their search leads them to a wormhole (an "anomaly") which has appeared out of nowhere, leading to a Permian desert from 250 million years ago.

And something bigger than a lizard has got through ...