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 (TV series)"): The series' narrative follows Portland Homicide detective, Nick Burkhardt (played by David Giuntoli), who discovers he is a "Grimm", the latest in a line of Guardians who are sworn to keep the balance between humanity and mythological creatures, known as Wesen.
Relevant evidence: No