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.
1 Season • 26 Episodes Total
26 Episodes • Aired September 1970
Episodes
26
First Aired
Sep 1970
2005
2010
2013
2019
2020
1974
1999
2009
1988
2017