FRIDAY NIGHTS AT NOMA: 5 p.m., New Orleans Museum of Art, 1 Collins Diboll Circle, City Park, New Orleans. Art on the Spot family activity, music by Lynn Drury, discussion "A Passion for Collecting — A Conversation with Dr. Kurt Gitter and Alice Yelen-Gitter," moderated by Lisa Rotondo-McCord, in conjunction with the "New Forms, New Voices" Japanese pottery exhibition. (504) 658-4100. noma.org.
"THE WORLD'S UNFAIR — A MARDI GRAS BALL": 6 p.m., Music Box Village, 4557 N. Rampart St., New Orleans. New Orleans Airlift and the Krewe of Vaporware event with a send-up of the 1984 World's Fair, with Barry Barth as king. Costume required. VIP tickets available. $20 and up. squareup.com/store/airlift.
MARDI GRAS MAMBO: 6 p.m., New Orleans Jazz Museum, Old U.S. Mint, 400 Esplanade Ave., New Orleans. Cervantes Hispanic American Arts Foundation with music, dancing, food and Carnival traditions of New Orleans, Brazil, Cuba and other Latin American countries. Elegant attire and masks encouraged. $50 advance, $60 door.
"SEMELE": 7 p.m., Lupin Hall, New Orleans Center for the Creative Arts, 2800 Chartres St., New Orleans. A presentation of Handel's baroque opera. $15. nocca.com.
CHEF DINNER WITH JOHN FOLSE: 7 p.m., Chateau Golf and Country Club, 3600 Chateau Blvd., Kenner. $75 and up for nonmembers, $69 and up for members. (504) 467-1351. chateaugolf.net.
FAMILY GRAS: 5 p.m. Friday, and 11 a.m. Saturday, Mardi Gras Plaza, Veterans Memorial and Causeway Boulevards, Metairie. Two-day free family-friendly event, with music, an art market, kids' court and Carnival parades. Chairs, wagons allowed. No ice chests. VIP tickets available. $125. visitjeffersonparish.com.
"AN AMERICAN IN PARIS": 7:30 p.m., Saenger Theatre, 1111 Canal St., New Orleans. Enjoy the hit musical about an American soldier, a mysterious French girl and an indomitable European city, each yearning for a new beginning in the aftermath of war. saengernola.com.
HARRY POTTER'S 20TH ANNIVERSARY: 11:30 a.m., Barnes and Noble, 3721 Veterans Memorial Blvd., Metairie. Games, trivia, costumes encouraged and more to celebrate the two-decade mark for "the boy who lived." (504) 455-4929. barnesandnoble.com.
KREWE OF PETRONIUS BAL MASQUE: 6:30 p.m., Pontchartrain Center, 4545 Williams Blvd., Kenner. "Brazilian Dragons, Moving to the Beat of a Different Drum" is the theme for this 57th anniversary ball. $75 and up.
AFRO-CARNIVAL BALL 2018: 8 p.m., SUNO Conference Center, 6400 Press Drive, New Orleans. African Music and Heritage Festival and the SUNO Center for African and African American Studies event. $40, $50 chiefs. (504) 206-4157. suno.edu.
PYGMALION FEST: 9 p.m., The Sugar Mill, 1021 Convention Center Blvd., New Orleans. Post-parade party for Krewe of Pygmalion with music by Molly Ringwalds, Flow Tribe and Big Freedia. $35 and up. (504) 304-8347. partywiththepyg.com.
PAWTY IN THE PARK: 10:30 a.m., Armstrong Park, 701 N. Rampart St., New Orleans. Krewe of Barkus party before and after canine parade with entertainment, vendors and more. The parade rolls at 2 p.m. $10 and up. barkus.org.
SPANISH MOVIE NIGHT — "THE QUEEN OF SPAIN": 7 p.m., Cafe Istanbul, 2372 St. Claude Ave., New Orleans. Come have a drink and enjoy a screening of the famous Spanish comedy. Free.
"BROR ANDERS WIKSTRÖM — BRINGING FANTASY TO CARNIVAL": Noon, New Orleans Museum of Art, 1 Collins Diboll Circle, City Park, New Orleans. Curator Mel Buchanan discusses watercolor sketches of floats and costumes from the turn of the 20th century by Wikström. (504) 658-4100. noma.org.
"QUEENS, GODDESSES, YAMA-YAMA GIRLS AND PUSSYFOOTERS — WOMEN AND CARNIVAL IN NEW ORLEANS": Noon, New Orleans Jazz Hazz Museum, Old U.S. Mint, 400 Esplanade Ave., New Orleans. Dr. Karen Leathem discusses the role of female organizations on Carnival. friendsofthebildo.org.
Visit theadvocate.com/new_orleans for more events and a complete listing of what's going on this weekend.
Compiled by Marchaund Jones.