A silly and spooky family tradition for 37 years, the Witchie Poo Halloween Extravaganza returns for another fun live show that boasts more than 65 whacky characters and high adventure. This year Witchie Poo and her sidekick, Lemmy, are aboard a luxury pirate cruise, discovering treasure chests and battling evil pirates with the help of Dorothy of Oz and the “Cruise” Brothers, Jake and Elwood. Dancing, magic, costume contests and prizes get audiences of all ages into the spirit with two weekends of performances, Saturday and Sunday, Oct. 22–23 and 29–30, at Sebastiani Theatre, 476 First St. E., Sonoma. 1:30pm. $8–$10. 707.996.9756.