Houston’s citywide Halloween celebration — Scream on the Green at Discovery Green – returns on Saturday, Oct. 30 from 6 – 10 pm The event features a costume contest, music and a screening of Beetlejuice. Costume contest registration is onsite at the Anheuser-Busch stage from 6:45 – 8:15 pm The contest begins at 7 pm and winners are announced at 9:30 p.m. Costumes will be judged based on originality, execution, and overall appearance. Contest prizes include tickets to Green Mountain Energy Ice at Discovery Green, gift cards to The Grove, an H-E-B Celebration Zone reservation and more. There are six costume categories: infant to 8 years old, 9 years old to 18 years old, best male over age 18, best female over age 18, best family costume and best dog costume.Ten 7-feet tall painted skulls will be on display as part of Celebración de Vida by MEXICRÁNEOS. Music will be provided by DJ Mohawk Steve, roaming characters will entertain the crowd and Kona Ice truck will be onsite. Beetlejuice, the 1988 film directed by Tim Burton and starring Geena Davis, Alec Baldwin and Winona Ryder will be shown starting at 8 pm as part of Bank of America’s Screen on the Green.