“Once Upon a Time in the West” film screening: 7 p.m., Longmont Museum, 400 Quail Road, Longmont. Charles Bronson is a soft-spoken, harmonica-playing gunslinger bent on revenge against a brutal assassin played by Henry Fonda, featuring a musical score by the great Ennio Morricone. This film is presented in conjunction with the museum’s “Picturing the West” exhibition. $5-$10, 303-651-8374, longmontmuseum.org.

Laguna Mexican Restaurant ribbon cutting: 4 p.m., Laguna Mexican Restaurant, 645 Tenacity Drive, A, Longmont. Celebrating Laguna Mexican Restaurant in the Prospect neighborhood. Patrons’ first margarita is only $1. Free, business.longmontchamber.org.

Winter Nature Fridays at Sandstone Ranch: 9 a.m. Friday, Sandstone Ranch Visitors & Learning Center, 3001 Sandstone Drive, Longmont. Enjoy an indoor activity with outdoor exploration as the weather permits. Activities vary; all ages welcome. Parents and guardians are free. $5, 303-774-4700, longmontcolorado.gov.

Ninety Percent '90s at Bootstrap Brewing: 6 p.m. Friday, Bootstrap Brewing Company, 142 Pratt St., Longmont. Ninety Percent ’90s covers the best and the worst hits from the decade. $10, 720-438-8488, bootstrapbrewing.com.

Comedy Capsule at Outworld Brewing: 7:30 p.m. Friday, Outworld Brewing , 1725 Vista View Drive, Suite B, Longmont. Blast off into a world of hilarity from some of the best cosmonauts this side of the Milky Way. Enjoy drafts and laughs with friends. $10, 720-487-2394.

Longmont Book Club: 10:30 a.m. Saturday, Barbed Wire Books, 504 Main St., Longmont. This in-person book club loves to read and to discuss what they have read. The club reads mostly historical or contemporary fiction but occasionally reads lighter books, nonfiction, science fiction/fantasy and classics. Free, bookclubs.com.

Gardening 101 with CSU Extension: 11 a.m. Saturday, Carbon Valley Regional Library, 7 Park Ave., Firestone. In this three-part series, CSU Extension Master Gardener Claudia Smelko will give participants tips, advice and resources to help with springtime yard and garden projects. Registration required. Free, mylibrary.evanced.info.

Mardis Gras at the Dickens: 3 p.m. Saturday, Dickens Opera House, 300 Main St., Longmont. Become immersed in the vibrant spirit of New Orleans right in the heart of Longmont. This Mardi Gras show is a colorful explosion of culture, music and cuisine, bringing the soul of Bourbon Street to the community. $20-$35, business.longmontchamber.org.

Brett Hendrix at Left Hand Brewing: 6 p.m. Saturday, Left Hand Brewing, 1265 Boston Ave., Longmont. Brett Hendrix is a multi-instrumental singer-songwriter who brings blues, country and rock ‘n’ roll to his performance. Enjoy a night of diverse rhythms and soul-stirring melodies that promise to leave listeners captivated and craving more. Free, lefthandbrewing.com.

The Sunday Comics: 11 a.m. Sunday, The Times Collaborative, 338 Main St., Longmont. Once a month, local comedians come together to give audiences an hour packed with punchlines while enjoying craft drinks by Dry Land Distillers and savor a hot brunch, made-to-order by Rising Tiger. $15-$20, 303-951-5143, longmontoutloud.com.

Kids’ Creative Movement Class with Anima Arts: 2 p.m. Sunday, Library, 409 Fourth Ave., Longmont. Join Mimi of Anima Arts for creative movement classes celebrating the way children experience the world — through curiosity, exploration and play. Participants will use dance, music, games, stories and props to explore themes inspired by nature, art, science and adventure. For 3-5 year olds. Registration required. longmontcolorado.gov.

Sweet Sunday Swing Band: 3 p.m. Sunday, Spirit Hound Distillers Lyons Tasting Room, 4196 Ute Highway, Lyons. Join Rob Pate and his rotation of special guests for an acoustic afternoon of classic ’20s, ’30s and ’40s swing. Free, 303-823-5696, spirithounds.com.