Dan Glo
Host
Hannah Daniel (2011)
Lois Jones (2012-13)
Broadcast
Boom Cymru for S4C, 8 February 2011 to 18 January 2013 (16 episodes in 2 series)
Synopsis
Dan Glo - described as "the most dangerous man in Wales" - has locked some schoolchildren in a deserted castle. He's also set some cryptic puzzles, and solving them correctly will give a key. Only one of the keys will open the castle gate.