From Longman Dictionary of Contemporary Englishdouble billˌdouble ˈbill noun [countable] APTAMFa cinema, theatre, concert etc performance in which you can see two films, plays etc, one after the other
Examples from the Corpus
double bill• Now that's a double bill.• But sometimes a double bill would show at the Ritz and nowhere else.• A double bill in the afternoon.• In the early 1960s one result of shrinking cinema audiences was the Sunday double bill of low budget horror movies.• The jazz festival features the double bill of singers Mel Torme and Cleo Laine.• He guessed they were on their way to Badstoneleigh because of the double bill at the Pavilion.