• David Giuntoli stars in the NBC supernatural TV series 'Grimm.'

David Giuntoli stars in the NBC supernatural TV series 'Grimm.' (Photo : YouTube/Trending Promos)

The upcoming "Grimm" Season 6 episode 5 will introduce a Wesen beast that Nick (David Giuntoli) has never encountered before. Meanwhile, Renard (Sasha Roiz) will continue to be afflicted with ghostly visions as Eve suffers from the effects of the magical stick.

"Grimm" Season 6 episode 4 marked Nick's return to his life as a detective, alongside his partner Hank (Russell Hornsby) and Wu (Reggie Lee). With the grimm back to his hunting activities, the said character will soon meet a Wesen beast that laid dormant for seven years.

Like Us on Facebook

In the upcoming episode titled "The Seven Year Itch," a formidable Wesen beast will arise from his slumber to terrorize Portland citizens. A murder case set in a park will draw Nick and his friends' attention to the said bug-like creature's activities, according to episode spoilers posted on Spoilers Guide.

Viewers can also expect to see Renard trying to deal with ghostly visits from a person that he killed. However, it is unclear if the police captain's visitor and mental tormentor will continue to be Meisner (Damien Puckler) or whether Bonaparte's (Shaun Toub) ghost will also make an appearance.

"Grimm" Season 6 episode 5 will also feature Monroe (Silas Weir Mitchell) and Rosalee's (Bree Turner) hospital visit to check on the baby's progress and if Diana (Hannah R. Loyd)'s vision of multiple babies was true. As for Eve (Bitsie Tulloch), Adalind (Claire Coffee) will discover the tunnels underneath Nick's loft with the walls filled with mysterious drawings and a weakened Eve on the floor.

In other news, the mystery surrounding the said wall drawings, as well as the stick's true powers, will be unveiled in upcoming "Grimm" Season 6 episodes. In an interview with TV Guide, Giuntoli even described the healing stick as the "worst stick in the world."

The actor added, "The implications of them digging that stick ... changes everything. It is an end game kind of plot point."

"Grimm" Season 6 airs every Friday on NBC. Watch the teaser clip for the upcoming episode below: