- The Chevy Chase DC Friends of the Library group’s used bookstore FOLio will offer “Super Sale Saturdays” in December with hardcover books for $1 and paperbacks for 50 cents. 10 a.m. to 5 p.m. Free admission. Second floor, Chevy Chase Library, 5625 Connecticut Ave. NW. 202-282-0021.
- The group Friends of the Mount Pleasant Library will hold its weekly used-book sale. 11 a.m. to 2 p.m. Free admission. Mount Pleasant Library, 3160 16th St. NW. 202-671-3121.
- Keegan Theatre will present “How to Catch a Leprechaun,” a children’s musical based on an Irish folk tale (for ages 3 and older). 11 a.m. $15. Andrew Keegan Theatre, 1742 Church St. NW. 202-265-3767. The performance will repeat Dec. 26, 30 and 31 at 11 a.m.
- A park ranger will lead a planetarium program about the season’s brightest stars, planets and constellations (for ages 5 and older). 1 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6070. The program will repeat Sunday at 1 p.m.
- Children will hear a story about Susan B. Anthony and then create a special piece of art. 1 to 4 p.m. Free. National Portrait Gallery, 8th and F streets NW. 202-633-1000.
- The House of Sweden will host a weekly storytime for children and families to experience Swedish children’s literature. 2 p.m. Free. House of Sweden, 2900 K St. NW. swedenabroad.com/washington.
- “Kids Club” will feature a chance to create bird feeders from Popsicle sticks (for ages 3 through 12). 2 p.m. Free. Chevy Chase Library, 5625 Connecticut Ave. NW. 202-282-0021.
- A park ranger will lead a planetarium program about the solar system, the Milky Way and other deep space objects (for ages 7 and older). 4 to 4:45 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6070. The program will repeat Sunday at 4 p.m.
- The Mount Pleasant Library will present “Saturday Morning Yoga.” 10 a.m. Free. Mount Pleasant Library, 3160 16th St. NW. 202-671-3122.
- The “Holiday Lobbying” concert series will feature the Potomac Harmony Chorus. 5:30 to 7:30 p.m. Free. Lobby, The Willard InterContinental, 1401 Pennsylvania Ave. NW. 202-628-9100.
- The Kennedy Center will present its annual “Messiah” singalong, led by conductor Nancia D’Alimonte and featuring members of the Opera House Orchestra, professional soloists, a chorus of 200 and enthusiastic audience members. 6 p.m. Free; tickets distributed in the Hall of Nations beginning at 4:30 p.m. Concert Hall, Kennedy Center. 202-467-4600.
- Swift Technique and The Trongone Band will perform. 9 p.m. $13. Gypsy Sally’s, 3401 K St. NW. gypsysallys.com.
- The John Lamkin Favorites Jazz Quintet will perform. 9 and 11 p.m. $15. Twins Jazz, 1344 U St. NW. twinsjazz.com.
- The National Gallery of Art will present Jean-Pierre Cottet and Guillaume Cottet’s 2017 documentary “Vermeer, Beyond Time,” which focuses on the artist’s family life, his artistic contemporaries, his conversion to Catholicism, and the wider world of the 17th-century Dutch Golden Age. Noon. Free. East Building Auditorium, National Gallery of Art, 4th Street and Constitution Avenue NW. 202-737-4215. The film will be shown again Dec. 27, 28, 29 and 30 at noon and Dec. 31 at 2 p.m.
- The Mount Pleasant Library will present the 2016 film “The Belko Experiment,” about Americans locked in a high-rise corporate office in Colombia who are ordered by an unknown voice over the intercom to participate in a deadly game. 2 p.m. Free. Mount Pleasant Library, 3160 16th St. NW. 202-671-3121.
- The National Gallery of Art will screen Bertrand Tavernier’s 2016 film “My Journey Through French Cinema,” a wide-ranging and subjective roam through the history of French film. 2:30 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Constitution Avenue NW. 202-737-4215.
- Step Afrika! will present “Magical Musical Holiday Step Show 2017,” a family-friendly performance by the internationally renowned percussive dance company. 2 p.m. $18 to $40. Sprenger Theatre, Atlas Performing Arts Center, 1333 H St. NE. 202-399-7993. The performance will repeat Dec. 27 and 29 at 11:30 a.m. and 7:30 p.m.; Dec. 28 at 7:30 p.m.; and Dec. 30 at 2 p.m.
- Folger Consort will hold a concert named after the Christmas carol “Lo How a Rose E’er Blooming,” featuring German Advent and holiday music performed by the vocal ensemble Cathedra, viol consort Arcadia Viols, organist Adam Pearl and artistic co-director Robert Eisenstein. 4 and 8 p.m. $50. Folger Shakespeare Library, 201 East Capitol St. SE. 202-544-7077.
- Chinese Menu Comedy will have a “Home for the Holidays” comedy event featuring regular comedians and former regulars visiting the area for the holidays. 7 and 9:30 p.m. $10 to $12. DC Arts Center, 2438 18th St. NW. 202-462-7833.
- The St. Alban’s Opportunity Shop will offer a last day of shopping before closing through Jan. 2 for the holidays. 9:30 a.m. to 3 p.m. Free admission. St. Alban’s Opportunity Shop, Massachusetts and Wisconsin avenues NW. 202-966-5288.
- The 27th annual “BZB Holiday Gift & Art Show” will feature holiday items, home accessories, clothes, jewelry and more. 10 a.m. to 7 p.m. Free admission. Shiloh Family Life Center, 1510 9th St. NW. 202-550-7060.
- The Washington National Cathedral’s annual Christmas service and pageant for children will include a re-enactment of the story of Jesus’ birth, including visits from the three magi, animals and angels. 11 a.m. Free. Washington National Cathedral, Massachusetts and Wisconsin avenues NW. 202-537-6200.
- The 13th annual Downtown Holiday Market will feature exhibitors, local food and live music. Noon to 8 p.m. Free admission. Sidewalk of F Street between 7th and 9th streets NW, in front of the Smithsonian American Art Museum and National Portrait Gallery. downtownholidaymarket.com.
- “ZooLights” will feature environmentally friendly LED displays, a light show set to music, 150-foot-long “snow tubing” tracks, the Conservation Carousel, live entertainment, and a glow-in-the-dark play zone for children. 5 to 9 p.m. Free admission. National Zoo, 3001 Connecticut Ave. NW. 202-633-4470. The event will repeat daily through Jan. 1 (except Dec. 24, 25 and 31).
- Via Umbria chef Liam LaCivita will present “Dinner at the Chef’s Table: Feast of the Seven Fishes,” based on a Christmas Eve custom from Southern Italy and featuring a menu of seafoods from different regions of Italy. 7 to 9 p.m. $100; reservations required. Via Umbria, 1525 Wisconsin Ave. NW. viaumbria.com/events.
- The Washington Wizards will play the Orlando Magic. 7 p.m. $7 to $450. Capital One Arena (formerly Verizon Center), 601 F St. NW. 800-745-3000.
Tours and walks
- “As the Wheel Turns” will feature tours of Peirce Mill about the power of water and its connection to food. 10 a.m. to 4 p.m. Free. Peirce Mill, Tilden Street and Beach Drive NW. 202-895-6070. The tours will also be offered Sunday.
- Rock Creek Conservancy’s “Art in the Park: Holiday Sketch and Stroll” hiking event will teach participants the fundamentals of drawing while on a stroll to a secret grove of American holly trees. 2 to 3:30 p.m. Free, registration required. Meet in the northwest corner of Rock Creek Park at 1801 Parkside Drive NW. email@example.com.