Secret Tajemství
| Composed by | Bedřich Smetana, |
| Company | National Theatre Opera |
| Venue | Prague National Theatre, Prague |
| Premiere | May 31, 2024 |
| 23 Nov 2025, Sunday, at 17:00 | Secret  | Best available 1790 CZK | |
| 30 Nov 2025, Sunday, at 19:00 | Secret | Best available 1790 CZK | |
| 4 Dec 2025, Thursday, at 19:00 | Secret | Best available 1790 CZK | |
| 11 Dec 2025, Thursday, at 19:00 | Secret | Best available 1790 CZK | |
| 14 Dec 2025, Sunday, at 19:00 | Secret | Best available 1790 CZK |