High Quality Content by WIKIPEDIA articles! The second season of the NBC American supernatural drama series Grimm premiered on August 13, 2012. It is set to consist of 22 episodes. The series, created by David Greenwalt, Jim Kouf and Stephen Carpenter, follows a descendant of the Grimm line, Nick Burkhardt, as he deals with being a cop, and trying not to expose his secret as a Grimm.