“HOWLoween” Trick & Treat for families and their dogs will be held from 6 p.m. to 8 p.m. Friday at Raising Cane’s Dog Park at Forest Community Park, 13900 S. Harrell’s Ferry Road.

A Best Dog Costume Contest will be held and prizes awarded. Visit local pet advocacy groups’ tents for information and treats for the family and the dogs. There also will be food and music.

Also, BREC’s annual BREC-A-BOO Halloween event for all ages will be held at Forest Community Park from 6 p.m. to 10 p.m. BREC-A-BOO features carnival games, ghostly visitors, costume contests, a haunted hike, inflatables and more.

For more information, call (225) 272-9200 or visit brec.org/Halloween.

Science Academy

Highland Road Park Observatory’s Science Academy for children ages 8 to 12 will be held from 10 a.m. to noon Saturday at the observatory.

Hands-on demonstrations and experiments related to astronomy, physics and space science will be offered. Children can rise through the ranks, earning higher cadet certificates as the sessions go on.

Participation is limited to 16 children, and registration is required. Cost is $5 for East Baton Rouge Parish residents and $6 for nonresidents. Call (225) 768-9948 or email observatory@brec.org.

Spooky Spectrum

Highland Road Park Observatory’s eighth annual Spooky Spectrum, a family-friendly tribute to the bizarre and freakish, is set for 6 p.m. to 10 p.m. Saturday. Admission is free.

Delve into the eerie side of astronomy, physics and aeronautics with creepy science demonstrations, some never used before. Enjoy campfire stories, strange sky phenomena, extra dimensions and extraterrestrials.

Introduction to Excel

An “Introduction to Microsoft Excel 2010” class will be held from 10 a.m. to noon Tuesday at Bluebonnet Regional Branch Library.

Neither registration nor equipment will be required. Call (225) 763-2240 for more information.

Filmmaking basics

Independence Park Theatre will host “Hands-On: One-Week Filmmaking Workshop” from 6 p.m. to 9 p.m. on Monday, Wednesday and Oct. 30.

Students of this one-week course for ages 18 and older will learn the basics of writing, directing, camera operation and digital editing.

Cost is $75 per person. For more information, call (225) 216-0660.

Contact Southside Advocate Editor Darlene Denstorff by phone, (225) 388-0215 or (225) 603-1998; or email southside@theadvocate.com. Deadline: 2 p.m. Friday.