Family

Movie Night
See “Night at the Museum,” the fantasy adventure comedy, Friday, Aug. 15, dusk. Nickerson Beach Park, 880 Lido Blvd, Lido Beach. 572-0200 or concertline, 572-0223.
The Little Mermaid
Visit Ariel’s world under the sea, presented by Plaza Theatrical Productions, Saturday and Sunday, Aug. 17-18, 11:30 and 2 p.m. $12. Long Island Children’s Museum, Museum Row, Garden City. 599-6870 or visit www.plazatheatrical.com.
Movie Fun
See “Muppets Most Wanted,” the musical comedy adventure that finds the Muppets gang wrapped into an European jewel-heist caper headed by a Kermit the Frog look-alike and his dastardly sidekick. Monday, Aug. 18, 6:30 p.m. Peninsula Public Library, 280 Central Ave., Lawrence. 239-3262.