YouTube Groups were a place for YouTube users to come together and share videos and discussions about common interests. YouTube Groups are being phased out, and will be replaced with collaborative channels at some point.
YouTube groups are public or private communities within YouTube for like-minded users to share videos and discuss particular topics.
How Do I Sign Up for YouTube Groups?
With a YouTube account, you can join any YouTube group that is open to the public.
Unfortunately, there is no easy way to search for YouTube groups. The easiest way to find YouTube groups is to look for channels and YouTube users who share your interests, and then see which groups they are part of.
It's easy to create a YouTube group, if you know where to go...
YouTube hasn't offered support for groups since at least summer 2010. However, it's still possible to create and join YouTube groups.