TODAY
TOPS (TAKE OFF POUNDS SENSIBLY): 6 p.m., Grovetown United Methodist Church, 206 E. Robinson Ave.; nonprofit weight-loss support group; (706) 863-0726.
THE BUTTERFLY EFFECT: 7 p.m., Julian Smith Casino, 2200 Broad St.; performers, fashion show, panel discussions, speakers; (404) 786-3277.
FIRST TAKE FILM FESTIVAL: Through Sunday, Imperial Theatre, 745 Broad St.; $5 for a day, screenings 9:30 a.m. to 8:30 p.m. daily; firsttakefilmfestival.com; (706) 723-3758.
BEHIND THE SWING: THE HISTORY AND SCIENCE OF GOLF: Through Sunday, the exhibition Stories and Legends: Remembering the Augusta National Golf Club and the movie Bobby Jones: Stroke of Genius, Augusta Museum of History, 560 Reynolds St.; The Science of Golf, Fort Discovery, 1 Seventh St.; for more information, visit www.augustamuseum.org and www.nationalsciencecenter.org.
DON RHODES BOOK-SIGNING: 7-9 p.m., Barnes & Noble Booksellers, 1336 Augusta West Parkway; Mr. Rhodes will sign his new book, Ty Cobb: Safe at Home.
FRIDAY
SORDID LIVES: 8 p.m. Friday-Saturday and April 18-19, 24-26; Le Chat Noir, 304 Eighth St.; $20 (plus tax); (706) 722-3322.
THE DISPATCH: 9 p.m., Aiken Brewing Co., 140 Laurens St. S.W., Aiken; (803) 502-0707.
SATURDAY
SONGBIRD WALK: 8 a.m., Phinizy Swamp Nature Park, off Lock and Dam Road, near Augusta Regional Airport; contribution: $3 members, $5 others; (706) 828-2109.