• David Giuntoli (L) and Bitsie Tulloch attend the 'Grimm' season four panel during Comic-Con International 2014 at the San Diego Convention Center on July 26, 2014.

David Giuntoli (L) and Bitsie Tulloch attend the 'Grimm' season four panel during Comic-Con International 2014 at the San Diego Convention Center on July 26, 2014. (Photo : Getty Images/Ethan Miller)

The next "Grimm" Season 6 episode will feature a terrifying night creature who haunts and kills its victims while they are sleeping. Meanwhile, with Nick (David Giuntoli) and Eve (Bitsie Tulloch) feeling the side effects from using the stick's healing powers, the now pregnant couple Rosalee (Bree Turner) and Monroe (Silas Weir Mitchell) will do everything they can to learn more about the said mysterious artifact.

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Avid viewers of the NBC supernatural series "Grimm" will see another Wesen beast terrorize Portland residents. In the upcoming episode, Nick, Hank (Russell Hornsby) and Wu (Russell Hornsby) will be called in to investigate a local hotel after a guest was found dead inside the establishment. The trio's investigation will lead to the discovery of a creature who goes after its victims during night time, according to episode spoilers posted on Spoilers Guide.

Titled "Breakfast in Bed," "Grimm" Season 6 episode 6 will also feature Renard's (Sasha Roiz) encounters with a ghost from his past. With Meisner's (Damien Puckler) ghost taunting the police captain, Renard will begin to question his sanity.

Meanwhile, Eve will continue her efforts to uncover the secrets of the healing stick and its symbol filled cloth. With Monroe and Rosalee's assistance, the said three characters will be a step closer to discovering the stick's history, as well as the meaning behind the symbols.

In other news, Nick's growing attachment to the stick could change his temperament. In an earlier interview with TV Guide, Giuntoli stated that mysterious magical artifact will affect his character "in a huge way."

Describing the said item as the "worst stick in the world," the actor commented that Nick will become slightly addicted to the stick and its power. He added, "The implications of them digging that stick up changes everything ... You're playing with universal powers and one thing you learn is that you can't just take the good [without the bad.]"

"Grimm" Season 6 episode 6 will be released on Feb. 10, Friday, on NBC. Watch the teaser clip below: