sentences:  The show is most notable for its use of blue screen chroma key, an idea Child utilised upon seeing it being put to use in weather forecasts at the time the programme began, as well as its use of 'virtual reality' interactive gameplay on television and the high level of difficulty faced by every team.Broadcast to high viewing figures throughout its original run, it garnered a cult status amongst fans since its final television episode in 1994.It was revived for a one off special by YouTube in August 2013.