Blood
Clue - film - was created on 1985-12-13.
Give Us a Clue ended on 1997-12-19.
13-12
"12 across" is typically another way of referring to a clue in a crossword puzzle that is located in the horizontal direction and is given a number (in this case, "12"). To provide an accurate answer, I would need the specific clue associated with "12 across."
The Telltale Clue - 1954 The Case of the the Old Flame 1-12 was released on: USA: 23 September 1954
Clue Club - 1976 The Missing Pig Caper 1-12 was released on: USA: 30 October 1976
In the US, it is 12 inches.
Well actually, book 12 doesn't have any clues. It's a Cahill vs Vesper book which means that you don't get any clues. Books 1-10 are clue books though.
Shaggy and Scooby-Doo Get a Clue - 2006 Big Trouble 1-12 was released on: USA: 6 January 2007
Castle - 2009 Get a Clue 6-6 is rated/received certificates of: Netherlands:12 USA:TV-PG
Revolution - 2012 Clue 1-18 is rated/received certificates of: Netherlands:12 USA:TV-14
I think the major clue is in the question!