AROUND TOWN

Seattle Vegfest: The largest vegetarian-food festival in the country, hundreds of foods to sample, chefs’ cooking demos, health lectures, bookstore, free health checks, activities for kids, 10 a.m.-6 p.m. Saturday-Sunday, March 29-30, Seattle Center Exhibition Hall, 299 Mercer St., Seattle; $8 at the door, cash or checks only; ages 12 and younger free (206-706-2635 or www.SeattleVegfest.org
).

Science fiction and fantasy book exchange: Trade your gently used sci-fi or fantasy books, or buy books, $1-$2, 10 a.m.-1 p.m. Saturday, March 29, Phinney Ridge Neighborhood Association, 6532 Phinney Ave. N., Seattle (206-783-2244 or www.phinneycenter.org).

Arboretum Walk: Weekly walk highlights a docent’s favorite plants, 1 p.m. Sunday, March 30, Graham Visitor Center, 2300 Arboretum Drive E., Seattle; free (206-543-8800 or www.uwbotanicgardens.org).

AT THE MOVIES

“Noah”: This big-budget biblical tale comes from director Darren Aronofsky (“Black Swan”) and stars Russell Crowe and Jennifer Connelly. It has late-night previews Thursday, March 27, and opens Friday, March 28, at several theaters.

“Sabotage”: Arnold Schwarzenegger and Sam Worthington star in this new action drama about a DEA task force. It also has late-night previews Thursday, March 27, and opens Friday, March 28, at several theaters.

“Ernest & Celestine”: This French tale of friendship was an Academy Award nominee for best animated feature. It opens Friday, March 28, at the Seven Gables.

“Cesar Chavez”: Michael Peña stars in this biopic of the farm laborer who set out to be an agent of change. It also has late-night previews Thursday, March 27, and opens Friday, March 28, at several theaters.

For reviews and showtimes, go to seattletimes.com/movies or to Friday’s Weekend Plus section.

For more fun this weekend, see Friday’s Weekend Plus. For advance planning, see Sunday’s NW Traveler.