I live in Ontario and have a Great Escape or Child Adventure certificate that is expired. Can I still use them? GuestServices Updated January 17, 2018 22:12 Follow Yes. All Cineplex theatres in Ontario will accept expired Great Escape or Child Adventure certificates. Related articles Do Cineplex certificates expire? Can I redeem a Cineplex Admit One, Great Escape Or Child Adventure Certificate online? What does "No Passes" Mean? How do I contact your Guest Services team? Do Cineplex Gift Cards Expire?