Article Photos: “Mockingbird Lane,” featuring Oklahoma native Mason Cook,” and “Grimm” make up a night of Halloween-themed TV Oct. 26 on NBC 1/3

 GRIMM -- "La Llorona" Episode 209 -- Pictured: (l-r) Russell Hornsby as Hank Griffin, Kate del Castillo as Valentina Espinosa -- (Photo by: Scott Green/NBC)