'Hopocalypse Now: An Epic Battle of I.P.A's.'

Jake's Dixie Roadhouse, which likes to make dining a competitive experience (usually, it's some type of barbecue battle), pits beer against beer tonight in an event called "Hopocalypse Now: An Epic Battle of I.P.A's." If you reserve yourself a seat at this party, you'll get to taste test a number of I.P.A.'s including sips from Smuttynose, Watch City Brewing, and Harpoon. You'll also get plenty of barbecue to soak up the suds. Reservations required. 7 to 9 p.m. $29.95. Jake's Dixie Roadhouse, 220 Moody St., Waltham, 781-894-4227. jakes-bbq.com