CORNY NIGHT—Why would you pay $7 to get lost in a cornfield? Trust me: When you head out to Sauvie Island and plunge into the Maize Maze, it feels far more fun and far less stupid than it does when you try to explain it to your friends a day later. Also, you can ride the cow train! And starting October 8, the maze is "haunted" on Friday and Saturday nights. SM
The Pumpkin Patch, 16511 NW Gillihan, Sun-Thurs 10 am-6 pm, Fri-Sat 10 am-10 pm, $5-7
LIKE—You use Facebook. Your friends use Facebook. Your mom uses Facebook. But chances are you don't know the fascinating, fucked-up story behind the site. David Fincher's latest—the harrowing, gripping The Social Network—tells that story, and tells it extraordinarily well, and it's one of the best films in recent memory. Bonus: Justin Timberlake plays the guy who invented Napster! EH
Various theaters; see our full review and showtimes here