Sentence examples for double feature from inspiring English sources

The phrase "double feature" is correct and usable in written English.
It is typically used to describe a movie presentation that includes two films for the price of one. You can use it in any context where you want to describe a combination of two related things or events. For example: "Our night at the cinema was a double feature, with a romantic comedy followed by a thriller." "The restaurant's Saturday specials included a double feature of grilled salmon and lobster pasta." "The festival's main event was a double feature of two critically acclaimed documentaries." "The local theater is hosting a double feature of classic Western films this weekend."