User blog comment:HalliwellManorAkaDsc385/Is Nick Really the Last Grimm?/@comment-4741854-20120220222158

I think a Grimm (or at least a relative) will most likely appear in "Three Coins in a Fuchsbau." The episode's description says that a friend of Marie visits Nick. But we will never know until the episodes air. But there probably is other Grimms in the world.