Photo by Flickr user number7cloud.

PUMPKINS: Helix Lounge hosts its annual pumpkin carving contest, with prizes for the “Most Local-Themed Pumpkin” and “Most Ghoulish Gourd.” Pre-scooped pumpkins will be distributed to the first 30 guests on a first-come, first-serve basis. Hotel Helix Lounge (1430 Rhode Island Avenue NW) 6-9 p.m. Free

THE ’90s: Zipcar and Studio Theatre present “Throwback Throwdown,” a ’90s themed Halloween party, featuring a costume contest and an open bar from 8 to 10 p.m. A cash bar will be available thereafter. Studio Theatre, Atrium (1501 14th Street NW) 8-12 a.m. Free

FASHION: Washington-area athletes including Washington football team wide receiver Pierre Garçon and Washington Nationals’ pitcher Gio Gonzalez will don GANT clothing on the runway to raise funds for Becky’s Fund’s “Men of Code” program, “training high school athletes to become leaders in the movement to end violence against women.” Tickets include food and drink. Italian Embassy (3000 Whitehaven Street NW) 6:30 p.m. $150

SCARY MOVIES: Enjoy a triple feature of scary movies when Warehouse DC screens Lady in White, Trick Or Treat, and Halloween III: Season of the Witch. Warehouse DC (1021 7th Street NW) 7:15 p.m.-1 a.m. $5
suggested donation.

PSYCHOPATHS: Dress up in your best Halloween costumes (prizes are on the line) and join Valerie Ogden as she discusses her new book Blue Beard: Brave Warrior, Brutal Psychopath, the story of 15th century French serial killer Gilles de Rais. AFDC Dupont (2142 Wyoming Avenue NW) 7 p.m. $15