I really don't think there's much I can say about Friends that hasn't already been said. I'm pretty sure everyone watched it at some time or other, and I had all the VHS tapes before going on to the DVD boxsets. Six 20-somethings living in New York, navigating life, love, jobs, etc. Its the original young adults sitcom, as far as I know, and I still enjoy rewatching it even now when I can recite a lot of the lines, especially from the early episodes (first 4 or 5 seasons).
To be honest, I wasn't crazy about the later seasons when everyone started growing up, getting married, and having babies, but its still good, just not AS good to me.
As for Caroline in the City, it started just after Friends, and even had a couple of small crossovers. It tells the story of a cartoonist named Caroline Duffy, her assistant/colourist Richard Karinsky, her neighbour Annie, and her on-and-off boyfriend / boss Del. The friendships and couples go through quite a bit of evolution in the four seasons, especially the awkward romance between Caroline & Richard.
The ending was a cliffhanger and that kinda sucked, but thanks to fanfic a few fans have put forward ideas as to whether Caroline married her ex, Randy, or ended up with Richard and the son he had with his former wife. I guess we'll never know for sure what was supposed to happen. At least Friends ended properly, even if that last episode did make me cry!