Children's history education series. Sid the Saxon and Vik the Viking board the Time Travel Express for a trip to the 21st century. Their mission? To let people know what life was like more than 1,000 years ago. The pair return to Lindisfarne, where Vikings raided in 793AD. Vik explains events from the Vikings' point of view and takes Sid to the thriving Viking city Jorvik, today's York.