Annual Fall Flea Market, Antique and Collectible Show: 8:30 a.m. to 3:30 p.m., Jackson County Fairgrounds, 1212 E. Quarry St., Maquoketa. Eastern Iowa's largest show with over 150 sellers inside and outside. $3, free for youth 10 years and younger. Tom Callahan, email@example.com, 563-652-4529.
Q-C Out of the Darkness Walk: 2 p.m., Len Brown's North Shore Inn, 700 N. Shore Drive, Moline. Proceeds benefit local and national suicide prevention and awareness programs of the American Foundation for Suicide Prevention.
Nathan Carter: 3-6 p.m., Adler Theatre, 136 E. 3rd St., Davenport. $45, $55, $65 and $75.
St. Joseph Church: Fall Festival: 3-7 p.m., St. Joseph's Catholic Church, 417 6th Ave., DeWitt. Featuring a silent auction, craft items, children's games, farmer's market and raffles. There also will be a beef and pork dinner with carry-out available. Dinner: $10 adult, $5 children 6-12 years.
Buddy Olson: Sept. 17 and 24, 3-6 p.m., Ducky's Lagoon, 13515 78th Ave. W, Taylor Ridge. Free.
The Case for Christ: 4-6 p.m., Pleasant View Baptist Church, 6400 Crow Creek Road, Bettendorf. This movie night will help participants discover the evidence that backs up Faith. Attendees may bring a snack to share. Free.
Homemade Ice Cream Social: 4-6:30 p.m., Blue Grass Presbyterian Church, 337 W. Lotte St., Blue Grass. This fundraiser for the church will feature homemade ice cream, made rites with chips, hot dogs with chips, pie or cake, drinks, music and games. Charge for food.