Perhaps @Mary-E or @Rachel-bk of the NowTV content Team can confirm when GOT will be back on boxsets.
This may interest somebody who is prepared to watch GOT live under a marathon session, where Sky are showing the first two seasons from tonight at 9pm on Sky Atlantic (a few episodes a night for the next week or so).
My Sky TV planner App on my phone only shows the next 7 days, so I am not sure if seasons 3 to 7 will follow straight afterwards on the live Sky Atlantic channel ?
Following on from my above post season 3 will be shown live on Sky Atlantic starting on December the 22nd and i am assuming the remaining seasons of GOT will follow on over the Christmas festive period each consecutive nights with a block of three episodes per night.
Unfortunately they are on live and not on catch up or boxsets