While DVD and Blu-ray dominate today’s world, VHS tapes ruled supreme in the ’80s and ’90s. It wasn’t uncommon for families ...

What is the reason for this? A: With a few exceptions, sales of TV shows and movies on DVD and Blu-ray have been declining for years as consumers embraced digital downloads and streaming services.

It's difficult to stand out with a DVD or Blu-ray collection these days, but there were several examples this year (some of them notably long-awaited) that left TV fans grinning and reminding us ...