Don’t know what to do this weekend? DCist has some suggestions! Check it out: FRIDAY: Seen the re-release of Donnie Darko but still not filled your cult classic quota? Fear not, Landmark’s Bethesda Row Cinema is hosting midnight screenings of such cultural signposts as The Breakfast Club (this week) and Office Space (Labor Day weekend). A quick five minute walk from the Bethesda Metro, all showings are at midnight on Friday and Saturday nights, and…