Cat adoption “sale-ebration,” the animal shelter is reducing adoption fees for kittens and cat through March 29. Adoption hours are noon-5 p.m. weekdays and 10 a.m.-3 p.m. Saturdays. Tri-County Animal Shelter, 6707 Animal Shelter Rd., Hughesville. $25. 301-932-1713, 800-903-1992 or www.charlescountymd.gov/es/tcas/catcam.
NARFE meeting in Prince Frederick, National Active and Retired Federal Employees Association, Calvert County chapter. Discussion of Alzheimer’s disease, plus a regular business meeting. 1 p.m., Calvert Pines Senior Center, 450 W. Dares Beach Rd., Prince Frederick. Free. 410-586-1441 or email@example.com.
NARFE meeting in Waldorf, National Active and Retired Federal Employees Association, Chapter 1972. Discussion of black bears. 1 p.m., Waldorf West Library, 10405 O’Donnell Pl. Free. 301-645-3077.
Library’s “Game On,” for all ages. Play board games or favorite video games. 2-3:30 p.m., Calvert Library Prince Frederick branch, 850 Costley Way. Free. 410-535-0291 or 301-855-1862.
Mechanicsville basket bingo, proceeds benefit the Mechanicsville Volunteer Fire Department. 6 p.m., at the department, 28165 Hills Club Rd. $20. 301-884-5680 or www.mvfd.com.
St. Mary’s City talk, “Ghostly Images in the Soil: Reading a 500-Year Story of St. Mary’s City,” by Henry Miller. 7 p.m., 18751 Hogaboom Lane, St. Mary's City. Free. 240-895-4990.
Registration for summer camps, for ages 3-17, sponsored by St. Mary’s County Department of Parks and Recreation. One-week camps are scheduled from 8:30 a.m.-4 p.m. weekdays, June 16-Aug. 15; register at www.stmarysmd.com/recreate. Visit the Parks and Recreation office to register in person. Extended care is available 6:30-8:30 a.m. and 4-6 p.m. for $15 a day, St. Mary’s Department of Parks and Recreation, 23150 Leonard Hall Rd., Leonardtown. Prices vary. 301-475-4200, Ext. 1800.
Lenten fish fry, includes two whiting fillets, trimmings, coffee and tea. 5-8 p.m., American Legion Post, 6330 Crain Hwy., La Plata. $10. 301-934-8221.
Basketball fundraiser, the Calvert County Sheriff’s Office will compete against Maryland State Police, Barrack U. Sponsored by Calvert Alliance Against Substance Abuse to benefit substance abuse prevention programs. 6:30 p.m., Calvert Middle School, 655 Chesapeake Blvd., Prince Frederick. $3. 410-535-2800 or www.co.cal.md.us.
Charles County tax preparation assistance, for low- and middle-income residents, Fridays and Mondays through April 14, Richard R. Clark Senior Center, 1210 Charles St., La Plata. Free. 301-609-5712, 301-609-5704 or firstname.lastname@example.org.
St. Mary’s County mulch sale, hardwood, shredded mulch by the bag or pallet, to benefit Mother Catherine Spalding School. 8 a.m.-2 p.m., at the school, 38833 Chaptico Rd., Helen. 301-884-3165.
“Passion of the Christ” auditions, for performances April 18 and 19. Tryouts, , 10 a.m.-2 p.m., Southern Community Center, 20 Appeal Lane, Lusby. Call 443-295-3202 or e-mail email@example.com.
Indian Head bike ride, for all skill levels, 26-mile trail, hosted by the Charles County Sheriff’s Office to benefit United Way of Charles County and the Spring Dell Center. Registration, 9 a.m.; ride, 10 a.m. The rain date is March 29, Indian Head Village Green, Walter Thomas Rd. $25; family of two, $40; family of three, $50; families of four or more, $15 a person. 301-609-4844.
Chestnut Land Trust trail maintenance, clear trails and work on bridge building and maintenance at the North Side trails. Lunch provided. 9 a.m.-noon, American Chestnut Land Trust, Scientists’ Cliffs Road, Port Republic. Free. 410-414-3400 or firstname.lastname@example.org.
Southern Maryland Decorative Painters meeting, for a supply list, e-mail email@example.com or firstname.lastname@example.org. 9:30 a.m., Charlotte Hall Library, 37600 New Market Rd., Charlotte Hall. Free. 301-884-2211.
“More Mo” library event, games, stories, crafts and snacks with the theme of books and characters of Mo Willems. 10:30-11:30 a.m., Leonardtown Library, 23250 Hollywood Rd., Leonardtown. Free. 301-475-2846.
Barnacle Cup Sailors dinner and meeting, open to the public, discussion of the upcoming season’s events, rules and regattas. 6:30 p.m., Fitzie’s Marina and Pub, 21540 Joe Hazel Rd, Leonardtown. Attendees pay for dinner. 301- 247-7238, 240-298-1211 or www.barnaclecup.com.
Water quality monitoring training for volunteers, participants will be instructed on how to collect water once a month from Parkers Creek in Calvert County. Data from the water will be used by Chesapeake Bay Lab staff members to determine nutrient levels of the creek, which feeds into the bay. 9 a.m.-1 p.m., American Chestnut Land Trust, Scientists’ Cliffs Road, Port Republic. Free. 410-414-3400 or email@example.com.
Museum sea horse program, for age 3 and older. Crafts, stories and games. 2 p.m., Bayside History Museum, 4025 Fourth Street, North Beach. $1. 410-610-5970 or www.baysidehistorymuseum.org.
Chesapeake Community Chorus practice, new singers needed. No auditions required. 4-6 p.m., North Beach Union Church, 8912 Chesapeake Ave., North Beach. Free. 301-855-7477 or firstname.lastname@example.org.
La Plata blood drive, 1-6:30 p.m., American Legion Post-La Plata, 6330 Crain Hwy. Reservations requested. 301-934-8221 or www.redcrossblood.org.
Zumba classes, sponsored by the Mechanicsville Volunteer Fire Department Ladies Auxiliary. Tuesdays and Thursdays. Toning classes, 6-6:45 p.m.; fitness classes, 7-8 p.m., Mechanicsville Volunteer Fire Department, 28165 Hills Club Rd. Toning classes, $5; fitness classes, $6. 301-884-4709 or email@example.com.
Prince Frederick bike maintenance workshop, learn how to fix a bicycle. Bikes and equipment on display. 7 p.m., Calvert Library Prince Frederick branch, 850 Costley Way. Free. 410-535-0291 or 301-855-1862.
Jobsource Mobile Career Center, job counseling, résumé writing and job search assistance. 9 a.m.-1 p.m., Lexington Park Library, 21677 FDR Blvd., Lexington Park. Free. 301-863-8188.
Solomons song circle, with a Celtic theme. Participate or just listen. 6:30-9 p.m., Calvert Library Southern branch, 13920 H.G. Trueman Rd., Solomons. Free. 410-326-5289 or www.calvert.lib.md.us.
Southern Maryland Toastmasters meeting, learn how to be a better communicator and leader. 6:30 p.m., Gleneagles Community Clubhouse, 4900 Kincaldy Ct., Waldorf. 202-669-9382 or firstname.lastname@example.org.
Charles County public forum, the public is invited to discuss local issues, hosted by the Charles County Board of Commissioners. 7 p.m., Charles County Government Building, 200 Baltimore St., La Plata. 301-885-2779, www.charlescountymd.gov or email@example.com.
Jobsource Mobile Career Center, job counseling, résumé writing and job search assistance. 1-3 p.m., Calvert Library Southern branch, 13920 H.G. Trueman Rd., Solomons. Free. 410-326-5289.
Introductory genealogy course, for adults. Use the library’s resources for a genealogy search. Internet knowledge needed. 5:30-7:30 p.m., Lexington Park Library, 21677 FDR Blvd., Lexington Park. Free. 301-863-8188.
Teen “Zombies vs. Humans” library program, participate in “Zombie Fear Factor,” get “survival” tips and wear a costume. 6-8 p.m., Lexington Park Library, 21677 FDR Blvd., Lexington Park. Free. 301-863-8188.
“The Paris Wife,” discussion of the novel by Paula McLain. Copies are available. 7 p.m., Leonardtown Library, 23250 Hollywood Rd., Leonardtown. Free. 301-475-2846.
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