Slough Halloween Movies, Theater, and Entertainment 2026

A shadow cast acts the entire film live beneath the screen in costume, synced to the print, and it transforms the night from movie to performance. Screenings with an experienced cast are the full experience; film-only showings are quieter and cheaper. Listings say which you're getting. Halloween-weekend shadow-cast shows are the season's hottest ticket, so book those the week they post.

It's a party, not a movie: a shadow cast performs under the screen, the audience yells callback lines, and first-timers, "virgins," may be affably hazed in a pre-show ritual you can opt out of by telling a cast member. Dress up or don't, nobody's checking, but fishnets earn respect. Buy tickets ahead, arrive early, and surrender to the chaos.

Generally yes during Halloween season, with consistent limits: no face-covering masks in the auditorium, no prop weapons even obviously fake ones, and nothing that blocks the view of people behind you, so the giant headpiece stays home. Some screenings run pre-show costume contests, worth arriving early for. When a listing says "costumes encouraged," the room will be half-dressed-up; join in.