Ontario Improv

Stand-up in this end of the Inland Empire runs through the Ontario Improv, the chain comedy room on Mills Circle in the Ontario Mills orbit. The Improv name still pulls national touring headliners off the freeway, and for east-valley comedy fans that beats fighting into Los Angeles on a work night.

Know the house rules before you book: it's 21 and over, and there's a two-item minimum per person once you're seated. Budget the drinks and appetizers into the ticket price, because functionally that's what they are.

Rancho Cucamonga has no comedy club of its own, so this is the local answer — one more entry in the pattern this guide keeps flagging, where RC's bigger nights happen just over the city line. Make it the anchor of an Ontario evening; Toyota Arena is in the same neighborhood when the calendars line up.