Why not both? We love books too and won’t ever stop; but sometimes it can be hard to dive into a long novel - will you have time to finish it? Will you have to lug it around, or scroll through 10 thousand pages on your e-reader? Serials make things easy: An episode only takes 40 minutes to read, so you can definitely finish (and feel very accomplished). And serials give you and your friends easy sign posts for discussion - “What did you think of this week’s episode?” is a much less loaded question than, “Are you done yet?”
If books were movies, than serials would be TV shows. Both are awesome - but one is just a little easier to dive in to.