Randall and Hopkirk (Deceased) (1969–71) It’s Supposed to Be Thicker Than Water (1970) | TV Episode | United Kingdom | Colour | Action, Comedy, Crime, Drama, Fantasy, Mystery | 51min | Stars: Mike Pratt, Kenneth Cope, Annette Andre | S1 | 13th February, 1970 Tuesday at 6.30am on Rewind TV Members of the Crackan clan gather to hear who will be heir to the family fortune, when someone starts to murder them