A bit of mythology reference. #Repost @drwhofactsdaily ・・・ Oxygen was brilliant, definitely my favourite so far in the series. Giving it a bloomin high score of 9/10 #doctorwho #drwho #dw #tardis #12thdoctor #twelfthdoctor #petercapaldi #knockknock #pearlmackie #billpotts #oxygen #sonicscrewdriver #regeneration #psychicpaper #dryad #greekmythology