[danShumway]

Note that you can configure Sponsorblock not to skip sponsored segments but to still skip intros/outros and subscription/interaction reminders.

Adblocking is definitely the thing it's advertised on, but sponsored segments are only one labeled category. For longer lets-plays it's great to have the equivalent of Netflix's "skip the intro/credits" option. It is an adblocking extension first and foremost, but I still kind of recommend checking it out even if you don't plan to block ads with it because you might still find the other categories useful.