What exactly has been the hold up in recent years anyway? Has the production team just struggled to write enough scripts to finish the seasons in a timely manner? Perhaps one possible solution would be, in addition to the regular Peter Capaldi season, they supplement that in the off season with a different production team working on stand-alone previous Doctor specials featuring McGann, Tennant, Smith, and even Eccleston if they can manage it. What about spin-offs? It seems like they keep hinting that they want to do a Vastra/Jenny/Strax spin-off. Or maybe do a new season of Torchwood that doesn't suck?