Jörg and Cheyenne are challenged to build a Scuba Spear Gun! Despite having no experience of underwater builds, Jörg has a few tricks up his sleeve. But will they be able to beat one of the world's greatest spearfishermen in our popping finale!
Backyard Ballistics is a scientific construction series where Jörg Sprave and Cheyenne Ruether take on ambitious fan set challenges with surprising results, gnarly carnage and spectacular finales!
