Short's up on Youtube.
https://www.youtube.com/watch?v=Z7Muh7spyeA&feature=youtu.be
https://www.youtube.com/watch?v=gvg_YaqXkho
Should I watch the old series first?
>>160174720
It's completely unnecessary. It covers the same material plus a bunch of filler. It's not bad filler. I'd only do it if you desperately crave more and don't want to wait for next week.