Sherlock co-producer and writer Mark Gatiss has a long association with the notion of "horror".
As we reach the halfway point of Series 9, this week’s episode sees the new Spooks team starting to work together as a unit.
This week, Arthur and Merlin are patrolling the edges of the kingdom when they are set upon by bandits.
The return of the Spooks team for an impressive ninth year demonstrates little sign of the flagship BBC spy show abating from the breathless speed with which it ended the 2009 finale.
Cleverly scheduled to take away the pain of having to go back to school, Merlin returns to BBC One, hunting for the missing Morgana, who got up to all sorts of witchery last year.
It must be tough to schedule certain programmes in what has turned out to be the first decent summer in this country for about seventy years.
It's surprising that, in the wake of The Mighty Boosh, there haven't been more pretenders to the comedy crown of Mssrs Barratt and Fielding. Dave's exclusive new show Zimbani tries, but epically fails.