Professor Irony said:
Eh. Personally, I don't think I'd watch something purely because it was an event series. Not that I'm trying to crap on the thread here - I think it's perfectly fair to call Madoka an event show and I can understand the attraction of watching something like that with a group of people, but I don't feel especially bothered for not having taken the opportunity.
imo, it means you missed out on watching something that will be referenced in anime discussion for years, and getting a feel for the zeitgeist surrounding it. It would be like being a football fan and not watching the Champions League final just because you don't support the teams in it. I can see why some people
don't do it, of course, and I'm certainly not applying the term to every popular series that a lot of people watch (in fact, I would apply the term to some series that
didn't have that level of instant fandom, but I might be doing that purely with the benefit of hindsight), but Madoka is... quite something else in this regard.