Hraï, Oko and Tour come across extraterrestrials in search of oil to repair their saucer and be able to return home. Together, they cross Europe, find themselves defending Bulgaria invaded by enemies, discover an aqueduct in Italy and narrowly escape the Inquisition in Spain.
Unfortunately the movie How the Cossacks Met Aliens is not yet available on HBO Max.
| Camera | Anatolii Havrylov | Director of Photography |
| Sound | Viktor Hruzdiev | Sound Director |
| Art | Ivan Budz | Art Direction |
| Sound | Volodymyr Huba | Original Music Composer |
| Visual Effects | Liudmyla Tkachykova | Animation |
| Writing | Svitlana Kutsenko | Script Editor |
| Visual Effects | Mykola Bondar | Animation |
| Visual Effects | Serhii Hizila | Animation |
| Visual Effects | Mykhailo Titov | Animation |
| Visual Effects | Andrii Karbovnychyi | Animation |
| Visual Effects | Nina Churylova | Animation |
| Editing | Oleh Pedan | Editor |
| Production | Ivan Mazepa | Head of Production |
| Visual Effects | Ilya Skorupsky | Animation |
| Visual Effects | Oleksandr Lavrov | Animation |
| Visual Effects | Konstantin Chikin | Animation |
| Visual Effects | Elvira Peretiatko | Animation |
| Visual Effects | N. Ustenko | Animation |
| Writing | Alexander Kostinsky | Writer |
| Writing | Volodymyr Vaskovtsev | Writer |
| Writing | Volodymyr Dakhno | Writer |
| Directing | Volodymyr Dakhno | Director |
