This documentary shows the early life of polar bear Knut that had to be hand fed by Berlin zoo employee Thomas Dörflein after its mother Tosca refused the baby in 2006. This documentary shows the early life of polar bear Knut that had to be hand fed by Berlin zoo employee Thomas Dörflein after its mother Tosca refused the baby in 2006. This documentary shows the early life of polar bear Knut that had to be hand fed by Berlin zoo employee Thomas Dörflein after its mother Tosca refused the baby in 2006. This documentary shows the early life of polar bear Knut that had to be hand fed by Berlin zoo employee Thomas Dörflein after its mother Tosca refused the baby in 2006.