- Chris Grabenstein will discuss his book “Mr. Lemoncello’s Great Library Race” (for ages 8 through 12). 10:30 a.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- “Boo at the Zoo” will feature animal encounters and festive decorations along with candy and snack foods from more than 40 treat stations throughout the National Zoo. 5:30 to 8:30 p.m. $20 to $30. National Zoo, 3001 Connecticut Ave. NW. nationalzoo.si.edu/events/boo-zoo. The event will repeat Saturday and Sunday from 5:30 to 8:30 p.m.
- “Smithsonian Sleepover at the American History Museum: Halloween Special” will feature a chance for ages 8 through 12 to participate in an interactive exploration of the museum with quizzes, puzzles, games and craft projects. 7 p.m. to 9 a.m. $120 to $135. National Museum of American History, 14th Street and Constitution Avenue NW. 202-633-3030.
Classes and workshops
- Christian Kloc will present a juggling workshop. 6 to 7:30 p.m. Donation of at least $5 suggested. Capitol Hill Arts Workshop, 545 7th St. SE. 202-547-6839.
- Artist Will Fleishell will present a drop-in figure drawing class. 6:30 to 9:30 p.m. $15. Capitol Hill Arts Workshop, 545 7th St. SE. 202-547-6839.
- The Friday Morning Music Club will present a concert of works by Grieg and Schumann. Noon. Free. Calvary Baptist Church, 755 8th St. NW. 202-333-2075.
- The Friday Noon Concert series will feature the Prokofiev Quartet. Noon. Free. Arts Club of Washington, 2017 I St. NW. 202-331-7282, ext. 3.
- John Walker of Baltimore will present an organ recital. 12:15 p.m. Free. National City Christian Church, 5 Thomas Circle NW. 202-797-0103.
- Washington Performing Arts will present “The World in Our City,” a concert featuring local musicians with roots in Mali and Ethiopia. 6 to 9 p.m. Free. MarketSW, 4th and M streets NW. 202-785-9727.
- The Washington Bach Consort’s chamber series will feature harpsichordists Todd Fickley and Scott Dettra, flutist Colin St-Martin, violinist Marlisa del Cid Woods and violists Paul Miller and Scott McCormick performing works presented during the group’s first season 40 years ago. 7 p.m. $10 to $35. First Congregational United Church of Christ, 945 G St. NW. bachconsort.org.
- “Sounds of the Underground” will feature singer-songwriter, harpist and guitarist Lizzie No. 8:30 p.m. $18 to $20. Dupont Underground, 1500 19th St. NW. dupontunderground.org.
Discussions and lectures
- The University of the District of Columbia David A. Clarke School of Law will host a conference on “Nine Months Post-Inauguration: Moving Beyond Resistance — Creating an Action Plan for Gender Justice in the New Political Reality.” 9 a.m. to 6 p.m. Free; reservations required. Moot Court Room, University of the District of Columbia David A. Clarke School of Law, 4340 Connecticut Ave. NW. law.udc.edu.
- Author Barbara Schmidt will discuss “Orchids in the Office,” about the types of conditions orchids need to grow and bloom and the best ways to integrate these into an office setting. Noon to 1 p.m. Free; reservations required. Conservatory Classroom, U.S. Botanic Garden, 100 Maryland Ave. SW. 202-225-8333.
- Society of the Cincinnati executive director Jack Warren will discuss the meaning of one of the most unusual works in the collections — an allegorical portrait of Thomas François Lenormand de Victot confronting death. 12:30 p.m. Free. Society of the Cincinnati, Anderson House, 2118 Massachusetts Ave. NW. 202-785-2040.
- Stanford University professor David Palumbo-Liu will discuss “Literature, Empathy, and Rights.” 12:30 to 2 p.m. Free; reservations required. The Palestine Center, 2425 Virginia Ave. NW. 202-338-1958.
- The Osher Lifelong Learning Institute at American University will host a talk by author and journalist A’Lelia Bundles on “A Family Story: Madam C.J. Walker and A’Lelia Walker,” about her great-great-grandmother, who was an African-American entrepreneur and philanthropist in the early 20th century who revolutionized the hair care industry and helped finance the NAACP’s anti-lynching movement. 1:30 to 2:30 p.m. Free; reservations required. Spring Valley Building, American University, 4801 Massachusetts Ave. NW. olli-dc.org/lecture_series.
- Cass R. Sunstein will discuss his book “Impeachment: A Citizen’s Guide.” 4 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- The Free Folger Friday series will present “On Set With Tony Cisek,” featuring a talk by the scenic designer on the conversion of the Folger Theatre’s traditionally proscenium space into an arena for its production of “Antony and Cleopatra.” 6 p.m. Free; reservations requested. Folger Theatre, 201 East Capitol St. SE. 202-544-7077.
- As part of the 17th Italian Language Week in the World, Domenico Lucchini, director of the International Academy of Audiovisual Sciences, will discuss “An Italian-Language Excursion Into Swiss Cinema.” 6:30 to 8:30 p.m. Free; reservations required. Embassy of Switzerland, 2900 Cathedral Ave. NW. www.iicwashington.esteri.it.
- Stephen Greenblatt will discuss his book “The Rise and Fall of Adam and Eve.” 7 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- Caitlin Brodnick will discuss her book “Dangerous Boobies: Breaking Up With My Time-Bomb Breasts.” 8 p.m. Free. The Den at Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- The National Archives will present Ron Howard’s 1995 film “Apollo 13,” the true story of the 1970 lunar mission, which suffered an explosion in space that disabled the ship, leaving the astronauts and Mission Control to work frenetically on devising a plan to get the men home safely. 2 p.m. Free. McGowan Theater, National Archives Building, Constitution Avenue between 7th and 9th streets NW. 202-357-5000.
- The Double Exposure investigative film festival will feature Violeta Ayala’s documentary feature “Cocaine Prison,” about the foot soldiers of the drug trade. 6 p.m. $12.50. Naval Heritage Center, 701 Pennsylvania Ave. NW. doubleexposurefestival.com.
- The National Archives will present Robert Zemeckis’ 1994 film “Forrest Gump,” starring Tom Hanks as a simple man who is unwittingly swept up in some of the key moments of the 20th century. 7 p.m. Free. McGowan Theater, National Archives Building, Constitution Avenue between 7th and 9th streets NW. 202-357-5000.
- The Shakespeare Theatre Company will present “Hocus Pocus” as part of a classic movie series. 7 and 10 p.m. $5 to $10. Sidney Harman Hall, 610 F St. NW. 202-547-5688.
- The Swedish Film Institute and Dupont Underground will present Hogir Hirori’s movie “The Girl Who Saved My Life.” 7 p.m. $6. Dupont Underground, 1500 19th St. NW. dupontunderground.org.
- The 22nd annual Arabian Sights Film Festival — featuring new movies from today’s Arab world — will open with Jordanian director Mahmoud al Massad’s comedy “Blessed Benefit,” about a quiet, middle-aged contractor who is charged with fraud over an unfortunate business deal. 6:30 p.m. $13. AMC Mazza Gallerie, 5300 Wisconsin Ave. NW. filmfestdc.org/arabiansights. The festival will continue through Oct. 29.
- Renegade Performance Group artistic director and choreographer André M. Zachery will present “Untamed Space,” an interdisciplinary performance drawing on his familial lineage in the Southern United States and Haiti as well as his upbringing on the South Side of Chicago. 6 p.m. Free. Millennium Stage, Kennedy Center. 202-467-4600.
- The Second City will present “When Life Gives You Clemens,” a tribute to Mark Twain and the humor he found in satire, politics and human nature (recommended for ages 16 and older). 7 and 9 p.m. $39 to $55. Family Theater, Kennedy Center. 202-467-4600.
- “Jerome Robbins — American Dance Genius” will mark the launch of the legendary choreographer’s centennial with a demonstration-style performance hosted by Damian Woetzel, who worked closely with Robbins at the New York City Ballet. 7:30 p.m. $49 to $59. Terrace Theater, Kennedy Center. 202-467-4600. The performance will repeat Saturday at 7:30 p.m.
- The Sukhishvili Georgian National Dance Company will perform. 7:30 p.m. $50 to $125. Lisner Auditorium, George Washington University, 730 21st St. NW. 202-994-6800.
- George Washington University’s Corcoran School of the Arts and Design will present Yasmina Reza’s “God of Carnage,” the story of a playground altercation between 11-year-old boys that brings together two sets of Brooklyn parents for a meeting to resolve the dispute. 7:30 p.m. $10 to $20. Dorothy Betts Marvin Theatre, George Washington University, 800 21st St. NW. 202-994-0995. The performance will repeat Saturday at 7:30 p.m. and Sunday at 2 p.m.
- Visual artist Carrie Mae Weems and diverse artists will present “Grace Notes: Reflections for Now,” a provocative performance of music, song, text, spoken word and video projection that explores the implications of race and violence in communities across America. 8 p.m. $19 to $65. Eisenhower Theater, Kennedy Center. 202-467-4600.
- American University will present “Little Women,” a musical version of Louisa May Alcott’s beloved novel. 8 p.m. $10 to $15. Greenberg Theatre, American University, 4200 Wisconsin Ave. NW. 202-885-2587. Performances will continue through Oct. 28.
- Teatro de la Luna will present “Desde el Andamio/From the Scaffold” by Argentine playwright Carlos M. Alsina (performed in Spanish). 8 p.m. $20 to $25. Casa de la Luna, 4020 Georgia Ave. NW. 202-882-6227. The performance will repeat Saturday at 8 p.m. and Sunday at 4 p.m.
- The Washington Wizards will play the Detroit Pistons. 7 p.m. $9 to $159. Capital One Arena (formerly Verizon Center), 601 F St. NW. 800-745-3000.
- The Smithsonian Associates will present a tour of “Washington’s Mosaics: Treasures in Unexpected Places,” led by mosaic artist Bonnie Fitzgerald. 8:30 a.m. to 6 p.m. $140 to $190. Meet on the DeSales Street side of the Mayflower Hotel, 1127 Connecticut Ave. NW. 202-633-3030.
- The American University Museum will present a docent-led tour of one of its fall exhibitions. 11:30 a.m. Free. American University Museum, Katzen Arts Center, American University, 4400 Massachusetts Ave. NW. 202-885-1300.