Two Bay area theaters stage screenings of Trouble the Water, an award-winning documentary that offers an eyewitness account of Hurricane Katrina via former 9th Ward residents Kimberly Roberts and her husband Scott (pictured below), who videotaped their experiences before, during and after the storm. 5 p.m. Wed., 7:15 p.m. Thurs., Oct. 29-30, Beach Theatre, $8 general; and 7:30 p.m. Wed.-Thurs., Oct. 29-30, Tampa Theatre, $9 general.

Stop Pet Overpopulation Together (SPOT) stages its annual Barkoween Pet Costume Party. Locals are invited to dress up themselves and their pets, and vie for prizes in five separate categories: Scariest, Funniest, Most Original/Creative, Cutest and Best Owner/Pet Look-Alike. 6-8 p.m., Belleview Biltmore Resort & Spa, $10 (includes entry into the costume contest, a raffle ticket, and a trick-or-treat doggie bag).

The topic for this month's installment of Wide aWoke Wednesdays — a live interactive talk show — is "Love, Sex & Headaches," a talk about relationships and dating in today's society. 7:30-9 p.m., USF Almuni Center-Traditions Hall, free admission.

Joe Satriani brings his instrumental guitar-driven prog rock to Ruth Eckerd Hall. 8 p.m., $29.50-$75.

Rosalie Peck and Jon Wilson talk about and sign copies of their new book, St. Petersburg's Historic 22nd Street South, as part of the Pen Is Mightier literary series at the Studio at 620. 7 p.m., free admission.