Here's what's happening this weekend in Denver

This weekend in Denver, join a zombie takeover in Larimer Square, enjoy a fair on Tennyson Street or take the family to Arapahoe County's trick-or-treating festival.

1. 🧟 Denver Zombie Crawl

Walk among hundreds of the undead at the Denver Zombie Crawl at Larimer Square .

What to expect: A DJ set with Halloween tunes, coffin photo op, makeup tent and several pop-up bars serving cocktails, cold brews and Hardcharged Tea by Voodoo Ranger.

There will be a costume contest. Entrants can participate as an individual for $5 or a group of up to six people for $10.

How it works: Participants must register for the contest by 2pm at the shipping container bar.

• Prizes include a trophy, VIP entry to any Denver 13th Floor Experience, "Skip the Line" tickets to Magic of the Jack O'Lanterns at Hudson Gardens and Zombie Crawl drink tickets.

If you go: Prop weapons are prohibited.

When: Noon–6pm Saturday

Free

2. 🎤 Carlos Mencia

• The Comedy Central star will perform five shows at Comedy Works South . Tickets start at $26
• When: 7:30pm Thursday, 7:15pm and 9:45pm Friday and Saturday

3. 🎹 Gryffin

• The San Francisco DJ and producer will perform songs from his latest album 7:30pm Friday at Red Rocks. Tickets start at $51

4. 🎭 " The Rocky Horror Picture Show "

• Catch this interactive cult classic 8pm tomorrow at Ellie Caulkins Opera House. Tickets start at $32
• If you go: Audiences are encouraged to yell callbacks, dance and sing along. Bags with items to throw on stage will be available for purchase.

5. 🍁 Tennyson Fall Fest

• This street fair includes more than 100 local businesses, breweries, artisans and food trucks. There will also be live music, yoga and a pet parade. Free
• When: 10am–6pm Saturday
• Location: Tennyson St. from W. 41st to W. 44th streets

6. 🍫 Treat Street

• Head to the Arapahoe County Fairgrounds 11am–4pm Saturday and Sunday for an indoor trick-or-treating fair featuring carriage rides, costume contests, face and pumpkin painting, inflatables, a maze and an adult beer garden. Tickets
• The fine print: This is not a pet-friendly event unless your pup is competing in a race.
• Cost: $10 presale, $12 day of event (online and in person).