Instead of killing them, the meteorite grants them extraordinary abilities: becomes completely immortal. The Father gains the power to teleport. The Son can understand and speak to animals.
When Superbobrovy was released in 2016, it was primarily targeted at domestic Russian audiences. Consequently, official physical releases or localized streaming options with English SRT (SubRip Text) files built-in can be difficult to find on standard Western platforms. Superbobrovy 2016 English Subtitles Download UPD - Google
The film is available in select regions on Amazon Prime Video and YouTube Movies. Check your local listings to see if the English-subtitled version is available for rent or purchase. Instead of killing them, the meteorite grants them