Three schoolchildren accidentally find a magical portal in the Holy Trinity St. Sergius Lavra and are carried away into the past. Now their goal is to return home, and for this they need to go through the wonderful forest of the XIV century during the Tatar-Mongol yoke and the Battle of Kulikovo. St. Sergius of Radonezh will help the teenagers.
Unfortunately the movie Forgotten Miracle is not yet available on HBO Max.
| Directing | Andrey Kolpin | Director |
| Writing | Maria Parfenova | Screenplay |
| Production | Anton Smetankin | Producer |
| Writing | Evgeny Golovin | Screenplay |
| Writing | Evgeny Golovin | Creative Producer |
| Art | Alena Romashkina | Production Design |
| Production | Marianna Galstukhova-Smetankina | Executive Producer |
| Sound | Sergey Bogolyubsky | Original Music Composer |
| Sound | Alexander Billion | Original Music Composer |
| Writing | Maria Parfenova | Idea |
| Writing | Evgeny Golovin | Idea |
| Production | Tatyana Tsyvareva | Producer |
| Production | Darya Krokhina | Producer |
| Writing | Oleg Veselov | Screenplay |
