Enjoy the best of both worlds as East meets West in The Slate’s Big Bollywood Halloween Night. Throw on your best Halloween costume, and try your hand at creating a Bollywood version of Michael Jackson’s Thriller. Despite the season’s theme, the dance floor and the beats will be far from dead with DJ Rink, Goutham and Sidz at the helm. 8 pm to 11 pm at The Slate Hotels. Details: 85080-00010.