I loved ROCKY 1, 2, and 3 in the theater upon each of their releases.

The original ROCKY still holds up as a masterpiece to me.

ROCKY 2 I still love, but it really drags in the middle. The whole bit with Talia Shire getting sick and being in a coma is tough to sit through for me after seeing it so many times over the years.
ROCKY 3 is a bit ridiculous now (over the top/cartoonish), but at the time of its release, Mr. T as "Clubber Lang" was highly entertaining. Mickey having a heart attack and dying because Clubber Lang pushed him is WAY over the top, as are Stallone's primal screams when Mickey dies ("Nooooooooooooo!!!!!!!!!!! Ahhhhhhhhh!!!!!!!!!!), but ROCKY 3 is still a guilty fun pleasure for me.

ROCKY 4 sucked. Hate, hate, hated it.

I never saw any of the other Rocky's (how many more were there after # 4???), but I would like to see the most recent, ROCKY BALBOA, which looks interesting.