BBC's website yields the following..
Treasure Hunt
Mon 16 Dec, 6:00 pm - 6:45 pm 45mins
A revival of the classic gameshow where contestants follow a trail of clues to track down the prize. Dermot Murnaghan helps from the studio and Suzi Perry chases the clues from the sky. W/S.
Didn't it used to be on C4?
G