It seems there may have been at least 6 shows and 30 listed appearances. With 5 people per show, Wikipedia has all appearances listed. The host/captains/regulars have included Richard Hammond (Panellist × 6), Neil Morrissey (Host × 6), Chris Barrie (Panellist × 6).
Guest appearances i.e. ignoring the host/captains/regulars:
Guests i.e. ignoring the host/captains/regulars:
Last updated: 2016/02/07