Pier Into the Night Featuring a Live Dive Naturalists and experienced volunteers answer questions and interpret what you see on the screen. 7-9 p.m. Skansie Brothers Park, 3211 Harborview Drive, Gig Harbor. Free. 253-514-0187, harborwildwatch.org.
‘Tales of the Barnacle’ Book Celebrate a new book by G. D. Haverland. 2 p.m. King’s Book, 218 St. Helens Ave., Tacoma. 253-272-8801.
OysterFest, hosted by the Shelton Skookum Rotary Club Foundation, brings together oysters, wines, microbrews and music for a weekend of fun. 10 a.m.-6 p.m. Saturday and 10 a.m.-5 p.m. Sunday at the Port of Shelton, 21 W. Sanderson Way, Shelton. $5. oysterfest.org.
“Lo and Behold: Reveries of the Connected World,” Grand Cinema, 606 S. Fawcett Ave., Tacoma. The film follows the growth of the virtual world from its origins to its role in everyday life today. 1:40 and 6:45 p.m. For more details, go to grandcinema.org.