Cheap$kate: FREE events in NYC this week

Movie

‘The Rocky Horror Picture Show’
It’s just a jump to the left. And then a step to the right. So put your hands on your hips — put on some bright red lips — and Time Warp down to Tompkins Square Park to catch a FREE screening of “The Rocky Horror Picture Show.” The night will kick off with a set from Jason Trachtenburg & The Pendulum Swings. So let’s do the Time Warp again. Let’s do the Time Warp again. (Thursday, gates at 6 p.m., film at sundown, FREE, Tompkins Square Park, E. 7th to E. 10th sts., btwn Aves. A and B, facebook.com/filmsintompkins)

Party

W Travel Tuesdays: Lollapalooza flavor in NYC
If you can’t make it out to Chicago for Lollapalooza, here’s your chance to enjoy the best of Chi-town in the heart of the Big Apple. W New York-Downtown is bringing Lollapalooza to NYC Tuesday as part of its weekly Travel Tuesday series. So stop by the Living Room Bar & Terrace to enjoy music from a live DJ, Chicago-style hot dogs, Goose Island Pale Ale and a big-screen showing of “Ferris Bueller’s Day Off.” (Tuesday, 6-8 p.m., FREE, Living Room Bar & Terrace, W New York-Downtown, 123 Washington St., Fifth fl., 646-826-8600, facebook.com/wnewyork downtown)

Book event

15th anniversary of Harry Potter series
Calling all muggles! Don your best robes, sport your house colors and make sure to grab your wand before making your way over to Scholastic headquarters this Wednesday afternoon to celebrate the 15th anniversary of the Harry Potter series. Scholastic will unveil the new cover for “Harry Potter and the Deathly Hallows,” illustrated by Kazu Kibuishi. Meet Kibuishi and Arthur Levine, editor of all U.S. Harry Potter books, partake in wizardry crafts and take a photo in a giant cutout of the new cover. The first 50 people in costume will score a lithograph of the new book cover signed by the illustrator. (Wednesday, noon, FREE, Scholastic, 557 Broadway, scholastic.com/sohostore)

Movie Talk

‘Lovelace’ directors Rob Epstein and Jeffrey Friedman
“Lovelace” is a narrative biopic that tells the story of American porn star Linda Lovelace with an all-star cast that includes Amanda Seyfried in the title role, Sharon Stone as Lovelace’s mother and James Franco as Hugh Hefner. Directors Rob Epstein and Jeffrey Friedman — who also did the film “Howl” — will be at Lincoln Center on Wednesday night to discuss their latest film. (Wednesday, 7 p.m., FREE, tickets are first come, first served, The Elinor Bunin Munroe Film Center, 144 W. 65th St., filmlinc.com /films/series/summer-talks)

Fitness

Summer Fitness Break with Westin New York Grand Central and FiTMAPPED
Get your fitness on this Wednesday at the Westin New York Grand Central at FiTMAPPED’s FREE Fitness Break. The event will feature a group workout led by Molly Winter Fitness and Q&A sessions with leading fitness experts who will be able to answer all your wellness queries. And be sure to enter FiTMAPPED.com’s “Review & Win” sweepstakes for a chance to win gift cards for workout gear and a two-night stay at the hotel. (Wednesday, 6-8 p.m., FREE, Westin New York Grand Central, Madison Ballroom, 212 E. 42nd St., westingrandcentralandfit mapped.eventbrite.com)