The Doctor receives a package from 'Kerblam!', an omnipresent on-line retailer that contains a plea for help. Needless to say, next stop for the TARDIS is the moon sized 'Kerblam!' shipping center, where 90% of the workers are robots and the 10% that is human is mysteriously dwindling. The episode is very much a throwback to old series - you could easily see any of Doctors 4 through 7 trying to solve the mystery (the supersize warehouse effects would be absent but the robots would look about the same). Being a fan of the original series, I liked "Kerblam!' (for all its plot holes) more than its predecessors in this incarnation of the Doctor. I'm still not sold on Whittaker's 'style' (especially her frequent grimacing) and like Matt Smith, she isn't very convincing when trying to appear tough and threatening, but at least this episode was an entertaining bit of pure science-fiction fluff, which is all I expect (and want) from a 900 year-old alien Timelord with two hearts and a transdimensional time machine shaped like a phone booth.