"Other series don’t do this, Judge John Deed doesn’t now follow his adventures in retirement running a pub or something." I suppose some sitcoms do (and there are probably examples of drama series that people with better memories than mine might know), but that's the genesis of DW. It doesn't just reinvent itself every era, it reinvents itself every story. (OK, not in season 5.)
"Other series don’t do this, Judge John Deed doesn’t now follow his adventures in retirement running a pub or something." I suppose some sitcoms do (and there are probably examples of drama series that people with better memories than mine might know), but that's the genesis of DW. It doesn't just reinvent itself every era, it reinvents itself every story. (OK, not in season 5.)