‘Half Moon Bay’ Cherry Lane Theatre, 38 Commerce St.
8 p.m. $18
Lesser America (The Bachelors, Carnival Kids, Trevor) present “HALF MOON BAY” by Dan Moyer, directed by Jess Chayes (AD of Peter and The Starcatcher) and starring Keilly McQuai.
Battery Dance 40th AnniversaryPace University, 1 Pace Plaza
7 p.m. $10-$25
Battery Dance, America’s cultural ambassador to the world, celebrates its 40th Anniversary with a triple-bill highlighting the depth of its international experiences and the versatility of its dancers.
(Un)Silent Film NightTishman Auditorium, 63 Fifth Ave.
7 p.m. Free
The New School’s College of Performing Arts hosts the third edition of its Film Night series, in which the College of Performing Arts Theater Orchestra will perform Jazz student Nathan Kamal’s original score to Alfred Hitchcock’s “The Birds.”
A Wicked Tour of the Fourth WardSouth Street Seaport Museum, 12 Fulton St.
12:15 p.m. $10-$20
Home to eccentric and dangerous characters, the Fourth Ward was the city’s district of vice and crime. Take a walk and go back to 19th century New York’s wickedest ward.
Drawing In The ParkBattery Park City Parks Conservancy, Pier A
10 a.m.-12 p.m. Free
Paint in watercolor, or use pastels, chalk, and charcoal to capture the magical vistas of the Hudson River and the unique landscape of South Cove. An artist/educator will help participants of all levels with instruction and critique. Art materials provided. South Cove.
Tribeca Green Market Story TimeNew York Public Library, 175 North End Ave.
11 a.m. Free
Join an NYPL librarian for a story time about farming and growing things at the Tribeca Saturday Greenmarket.
Tour: The Real WorldBattery City Parks, Warren Street and River Terrace
2 p.m. Free
A first glance at Tom Otterness’s collection of bronze sculptures shows a delightful mix of highly stylized characters populating a fairy-tale world, but the artist’s commentary on life and human nature emerges upon closer inspection.
World Breakdancing Championship Tribeca Performing Arts Center, 199 Chambers St.
3 p.m.-5 p.m. $40-$95
Xtreme Breakdancing Sports presents World Bboy Battle 2 – an exciting Extreme Breakdancing Championship Sports experience.
Explorers’ ClubBattery City Parks
4 p.m.-5:30 p.m. $240
Equipped with magnifying lenses, binoculars, pocket microscopes, and field guides, kids will head outdoors and examine the natural world of Battery Park City’s parks.
Lower Manhattan TourFree Tours by Foot, 26 Wall St.
9:45 a.m.-1 p.m. Pay what you like
The tour covers the financial District, Chinatown, Little Italy and SoHo.
Satie at 150: Satie, Ravel and the DreamersArts Brookfield, 165 Broadway
12:30 p.m.-1:30 p.m. Free
To celebrate Erik Satie’s music on the 150th anniversary of his birth, pianists will play works by Satie, his contemporaries, and those he inspired.
Revolutionaries: The Late Works of Beethoven & GinasteraTrinity Church, 75 Broadway
1 p.m. Free
This spring, Concerts at One presents Revolutionaries: The late works of Beethoven and Ginastera. This festival celebrates the centennial of Alberto Ginastera by pairing music from his third compositional period with that of fellow revolutionary Ludwig van Beethoven.
Hope At Ground Zero9/11 Memorial Museum, Albany Street and Greenwich Street.
Andrea Booher discusses her time at Ground Zero photographing the rescue and recovery period. This program is presented with the Museum’s new special exhibition, “Hope at Ground Zero.” Reservations required.
Monica Bill Barnes & Co.: Happy HourGibney Dance, 280 Broadway
6:30 p.m. $5-$35
Robbie Saenz de Viteri turns a downtown dance studio into an after-work office party complete with wall-to-wall carpeting, karaoke, and dollar store decorations. www.gibneydance.org