BRING IT ON: Love macaroni and cheese? Head over to the Stable Cafe on Folsom Street for the "Mac Battle Royale w/Cheese" on Sunday. $10 gets you massive amounts of mac and cheese and the chance to vote for the winner. The competition runs from 1 p.m. to 4 p.m.
MOVIE UNDER THE STARS: Watch the classic film "On the Waterfront" for free in Union Square on Saturday at 8 p.m. Check out www.filmnight.org for more info.