overview opening hours One of the leading musical theatres in Prague, specialising in original Czech musicals. The cast includes established Czech showbiz names who are not only excellent singers, but also outstanding actors and dancers. opening hours box office: Mon—Sat: 10:30—18:00 Su: 10:30—15:00 Tickets and programme online here. more about opening hours opening hours box office: Mon—Sat: 10:30—18:00 Su: 10:30—15:00 Tickets and programme online here.