sentences:  It was believed that the older audience was moving to satellite television and video games, and that programmes for a younger audience were needed.After two meetings, it was agreed that an 8th series of "Knightmare" would go ahead in 1994, but that it would be a shorter run (ten episodes instead of fifteen or sixteen) and that the remainder of the season's timeslot would be taken by "Virtually Impossible", a new virtual reality show from Broadsword, the same production company as "Knightmare", and aimed at this younger audience.Shortly after this decision was made, Airey left for Channel 4, and was replaced as Controller by Vanessa Chapman.