Three episodes about Space Cossacks on Amazon for free. In Ukrainian.
1st episode with Sir Richard Branson and space tourists: https://www.amazon.com/dp/B00BCRZI98
2nd episode about first launch in orbit: https://www.amazon.com/dp/B07P7QJQXQ
3rd episode about spaceship “Chayka”: https://www.amazon.com/dp/B07P6RB16L
Enjoy!