Question: How many episodes were in the first season of the NBC supernatural drama series in which the premier was October 28, 2011 and lasted until March 31, 2017?
Sentence (from "Grimm (season 1)"): The series, created by David Greenwalt, Jim Kouf and Stephen Carpenter, follows the last known descendant of the Grimm line, Nick Burkhardt, as he deals with being a cop, and trying not to expose his secret as a Grimm.
Relevant evidence: No