S01E01 The Wrong End of Time - Pt 1
The year is 1970. A young girl called Sarah is walking along the boundary of a disused naval base in St. Oswald beyond a sign which clearly says "Ministry of Defence. Keep Out" She stops...
Dr. Joynton is struggling to reach a switch set into the wall. Beth sees the children trying to escape the office when an alarm klaxon blares out. All of them head for the Fantasy room where Dr. Bukov has discovered the prone form of Dr. Joynton. He turns her body face up and then gently closes the late Dr. Joynton's eyes, pronouncing her dead.
Simon Randall and Liz Skinner discover the existence of a strange anomaly, known as the “Time Barrier”, that enables them to travel in time to different historical periods in alternate pasts and futures.