Synonyms for Double feature:

n.

command performance, act, appearance, curtain raiser, double bill, draw, booking, debut, display. act (noun)
doubleheader, twin bill.
double feature (noun)
doubleheader, twin bill.
twin bill (noun)
doubleheader.
two movies shown consecutively for the price of one (noun)
twin bill, double bill, doubleheader.

Other synonyms:

booking, curtain raiser, double bill, command performance, appearance, debut. draw. display. act. Other relevant words:
double bill.