Question: What is the title of the 13th episode of the American fantasy drama television series that premiered on October 23, 2011, on ABC?
Sentence (from "Trial by Fire (Grimm)"): "Trial by Fire" is the 13th episode of season 4 of the supernatural drama television series "Grimm" and the 79th episode overall, which premiered on February 13, 2015, on the cable network NBC.
Relevant evidence: No