THE HANGOVER: Did somebody call a sexy doctor? Head to Whiskey Blue's Hangover Halloween, where there'll be drink specials, a costume contest and tunes by DJ Graham Funke. 9 P.M.-whenevs.
BOO AT THE BUCK: Buck 15 celebrates all things spooky with complimentary drinks for the ladies til midnight and 2-for-1 drinks for the gents. Best costume gets $100 bar tab. 11 P.M.-5 A.M.
THRILLER NIGHT: The Van Dyke takes the Lincoln Road Halloween madness one step further by shutting down part of the street for live music by Tony Succor and his 12-piece "Thriller Salsa Band," which will pay tribute to Michael Jackson. Costume contest and more music upstairs, too. 8 P.M.