1 0. 3 0PM, 7 T WO Starring Jeremy Piven as department store mogul Harry Gordon Selfridge, MrSelfridge started life in the shadow of DowntonAbbey but now, after four seasons, the drama has come into its own. In tonight’s season finale, it is March 1929 and Selfridge & Co is in crisis. Brokers want Harry to stand down if they’re to save the store. Will Lady Mae Loxley (Katherine Kelly) come to the rescue?