I'll bring my copy of Betrayal at House on the Hill for 6:30 to teach/play if anybody is interested. It should run from about 60 - 90 min at most. It can accommodate up to 6 players, but needs a minimum of 3.
http://boardgamegeek.com/boardgame/10547/betrayal-at-house-on-the-hill
http://boardgamegeek.com/boardgame/10547/betrayal-at-house-on-the-hill