Oct2Fri
The Pumpkin Factory at MainPlace Mall
A pumpkin-patch pop-up at the mall with rides, slides, a petting zoo, games and food. Closed Mondays and Tuesdays (except Columbus Day). Entry is free Wed/Thu and $5 F...
October 2026
43 events
Oct2Fri
Trick or Treat on Main Street
Trick-or-treat at 75+ vendors, tour the Kellogg mansion, catch live performances and hunt for hidden Mickeys.
Oct3Sat
Neverender Festival
Two days of rock and indie sets featuring Coheed and Cambria, Circa Survive, PUP and more. Single-day and weekend tickets.
Oct3Sat
Pumpkin Palooza at Discovery Cube Orange County
Halloween-themed science and hands-on activities at the museum, presented with OC Waste & Recycling. Ticketed; kids under 3 free; parking $10.
Oct4Sun
Mehregan Festival
A free family celebration of Mehregan, the Persian autumn harvest festival, with performances, crafts, face painting and snacks.
Oct8Thu
MAUSOLEUM
An Alternative music event at La Santa. Tickets and details through Ticketmaster.
Oct8Thu
oskar med k
A Dance/Electronic music event at The Observatory. Tickets and details through Ticketmaster.
Oct8Thu
RaiNao
A R&B music event at Constellation Room. Tickets and details through Ticketmaster.
Oct9Fri
Emo Kids
A Rock music event at La Santa. Tickets and details through Ticketmaster.
Oct9Fri
Lilyisthatyou - The Flowers Have Feelings Tour
A Pop music event at Constellation Room. Tickets and details through Ticketmaster.
Oct10Sat
BLINK 182 AND WEEZER TRIBUTES
A Rock music event at La Santa. Tickets and details through Ticketmaster.
Oct10Sat
Deer Tick
A Folk music event at Constellation Room. Tickets and details through Ticketmaster.
Oct10Sat
OC Pride Festival & Parade
A parade, live entertainment on multiple stages, cultural zones and activities for all ages celebrating LGBTQIA+ History Month.
Oct11Sun
Creep It Real Expo
An outdoor Halloween party with vendors, themed food and drinks, costumed characters and a costume march.
Oct11Sun
Diles Que No Me Maten
A Rock music event at Constellation Room. Tickets and details through Ticketmaster.
Oct12Mon
The Bends
A Rock music event at Constellation Room. Tickets and details through Ticketmaster.
Oct14Wed
Love Spells
A R&B music event at Constellation Room. Tickets and details through Ticketmaster.
Oct15Thu
Cryogeyser
A Rock music event at Constellation Room. Tickets and details through Ticketmaster.
Oct16Fri
Bumpin Uglies - Orange Crush Tour
A Rock music event at The Observatory. Tickets and details through Ticketmaster.
Oct16Fri
Emo Night Brooklyn - 18+
A Rock music event at Constellation Room. Tickets and details through Ticketmaster.
Oct17Sat
BARDO from Chicano Batman
A Rock music event at La Santa. Tickets and details through Ticketmaster.
Oct17Sat
Taste of Santa Ana at MainPlace
A tasting event at the mall featuring local restaurants.
Oct18Sun
TURNSTILE: THE NEVER ENOUGH TOUR PT. 2
A Rock music event at Observatory Festival Grounds. Tickets and details through Ticketmaster.
Oct20Tue
Cuco
A Latin music event at The Observatory. Tickets and details through Ticketmaster.
Running all season
4 listingsSeasonMulti-week
Mini Melodies at MainPlace
A free monthly music session for young children, held the first Wednesday of each month.
SeasonMulti-week
Spooky Science at Discovery Cube OC
Hands-on slime, skeleton and bubbling-potion science, with extra activities on weekends.
SeasonMulti-week
American Red Cross Blood Drive at MainPlace
A monthly blood donation drive at MainPlace Mall, noon to 6 PM.
SeasonMulti-week
Primrose Market
A recurring market held at MainPlace Mall.