NBC has released a new sneak peek of the twenty one episode of Grimm’s season four titled “Headache”. In the clip, Nick, Hank, and Wu investigate Renard’s house after receiving a strange call. Source: SpoilerTV

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NBC has released a new sneak peek of the twenty one episode of Grimm’s season four titled “Headache”. In the clip, Nick, Hank, and Wu investigate Renard’s house after receiving a strange call. Source: SpoilerTV