Jonathan Creek = aces
They were perfectly pitched IMHO - interesting enough, but also funny, but not too funny. And that classic "I've just had an epiphany" look, when someone says something random... "ah, we've run out of cranberry sauce..." {the look...} "Of course! Cranberry sauce! The victim pointed to the door, but what if it wasn't the door, what if it was the turkey shed..." etc
Alan Davies should just give in and admit he will always be JC (Jonathan Creek, that is, not Jesus Christ...). He's on to a winner, and should just do the necessary... another series!