Nightlife

Carnaval Brasileiro. Carnaval Brasileiro is Austin's Brazilian-style Mardi Gras, now heading into its 42nd year. Get ready for a night of ribaldry, mayhem and just plain fun, all set to the infectious rhythms of two authentic Carnaval bands from Brazil. You won't be able to stand still. And come ready, in costume, to shake a tail feather. (Why, yes, the long-retired costume contest is back.) Among the performers is Austin Samba, with 30 drummers and dancers. 8 p.m. Saturday. $47 in advance, $50 at the door. Emo's Austin, 2015 E. Riverside Dr. sambaparty.com.

Family

Dinosaur Day. Go prehistoric with the dino-loving Zilker Botanical Garden. The afternoon will feature a dinosaur parade at 1:00 pm, so come dressed in your favorite dino costume or bring a friendly dinosaur stuffed animal. There also will be a prehistoric scavenger hunt and other fun dinosaur-related activities, such as creating your own prehistoric planter. The event takes place rain or shine. 10 a.m. to 2 p.m. Saturday. $1-$3. 2220 Barton Springs Road. austintexas.gov/event/dinosaur-day-zilker-botanical-garden-0?.

Second Saturday at the Contemporary Austin. The monthly family-friendly event is focused on music this time around. Make a work of art inspired by a hefty rock sculpture at Laguna Gloria, then boogie outside to catch a groovy performance by the School of Rock! Workshop free with a reservation. Reservations are also requested for family art-making workshops. The art activities at Second Saturdays are recommended for kids ages 2 to 11. 11 a.m. to 3 p.m. Saturday. Free. Laguna Gloria, 3809 W. 35th St. thecontemporaryaustin.org.

Jurassic Quest. There is more than one place to see the dinosaurs this weekend. Jurassic Quest returns to Austin with more rides, activities and dinosaurs than ever before. What's new is a pair of massive, 24-foot carnotaurus and tyrannosaurus rex replicas, the largest dinosaurs you can ride in North America. Plus, you can participate in fossil digs, a dino petting zoo and other activities. And did we mention there are even dinosaur scooters? 9 a.m. to 8 p.m. Saturday-Sunday. $20-$36. Austin Convention Center, 500 E. Cesar Chavez St. jurassicquest.com/events/austin-tx.

Music

Capyac, "In Love with a Fish-Creature from the Deep" at Vulcan Gas Company. The electro-dance phenoms, who once served a side of pancakes with their Euro-cool grooves at the Austin City Limits Music Festival, invite you to enter a mysterious love story set in a world of forbidding darkness on the ocean floor. The event is billed as a “deep sea spectacle, an immersive ocean experience” and will feature two live sets from the band. And if you play your part, fish lover, there’s a $200 cash prize for the best costume. $12-$17. 9:30 p.m. Saturday. 418 E. Sixth St. capyac.com. — Deborah Sengupta Stith

"Singin' in the Rain." It's worth seeing the Gene Kelly musical on the big screen at least once, and now is your chance. Topping the American Film Institute’s list of 25 Greatest Movie Musicals, this film masterpiece comes to life for one night only, with the Austin Symphony Orchestra accompanying the charming, award-winning on-screen performances by Kelly, Donald O’Connor and Debbie Reynolds. 8 p.m. Saturday. $35-$59. The Long Center, 701 W. Riverside Drive. 512-474-5664, austinsymphony.org.

"Amor Prohibido" Party with Son de Rey. Are you looking for your "Amor Prohibido" this Valentine's Day? Have you thought to yourself "No Me Queda Más" and are still waiting for "La Llamada?" Perhaps you're just in an "I Could Fall In Love" mood. No matter what, Austin Latin band Son de Rey has the music for you as they present a special Selena tribute show for Valentine's Day weekend. Afterward, Africa Night will commence at midnight. 8 p.m. doors Saturday. $10. Sahara Lounge, 1413 Webberville Road. facebook.com/events/2263018117320923/.