Halloween at the Fair: The San Joaquin County Fairgrounds will transform for the very first Halloween at the Fair event 3 p.m. to 10 p.m. Thursday through Sunday. The event features four days of rides, treats, car shows, hay maze and fireworks on Saturday and Sunday. The SJ County Fairgrounds is located at 1658 S. Airport Way, Stockton.

The Time Machine: Central West Ballet will take audiences on a journey with “The Time Machine,” a new science fiction ballet experience based on the classic novel by H.G. Wells. Showtimes are 7 p.m. Friday and 2 p.m. Saturday and Sunday.

Run for the Brains: The 2nd Annual Run For The Brains, a fang-tastic 5K, 10K, and 1K, will raise funds and awareness for strokes. The run will be at Shumway Oak Grove Regional Park, 4000 W. Eight Mile Rd., Stockton. Event day registration is $55. For more information, visit: https://bit.ly/4zYMwsM

Bites, Booze & Bloodsuckers: The State Theatre will host an ‘80s themed vampire event with music, drinks and retro vibes before the showing of the cult classic “The Lost Boys,” starting at 6:30 p.m. Friday. Tickets are $50 each for this adults-only event. For tickets, visit thestate.org.

Comedy Showcase: The Queen Bean Coffee House will host a 209 vs 916 Comedy Showcase from 7:30 p.m. to 9 p.m. Friday. The show will feature a killer lineup of stand-up comedians from across the region. Costumes encouraged. Tickets are $15. The Queen Bean is located at 1126 14th St., Modesto.