In the upcoming episode titled "Bad Night" of NBC's supernatural drama series "Grimm" Season 5, it seems that Nick will be scared of losing everything to Black Claw, while Renard will speed up his campaign as the election approaches.

Instead of airing on May 6, Episode 20 titled "Bad Night" will now air on May 13.

According to the synopsis by, "Nick fears there's a chance he'll lose everything to Black Claw; Renard ramps up his campaign as the election draws near; Adalind faces a very difficult decision in order to protect her children; Hank's relationship with Zuri moves in an unexpected direction; and Wu struggles to get a grip on his new reality."

In the meantime, the title and air dates of two-part series finale have been revealed for 'Grimm' Season 5. The episodes will be named "The Beginning of the End, Part I" and "The Beginning of the End, Part II." According to Yibada, the synopsis of the finale reads:

"A deadly showdown is on the horizon as black claw tightens its grip on Portland - Shaun Toub, Damien Puckler, Jacqueline Toboni and Hannah R. Loyd guest star - Black Claw makes a strategic move against Hank (Russell Hornsby) that shocks everyone and sends Nick (David Giuntoli) on a war path.

"Hadrian's Wall ramps up their investigation as they seek out a mysterious man named Bonaparte (guest star Shaun Toub). Meanwhile, Adalind (Claire Coffee) and Capt. Renard (Sasha Roiz) must learn to deal with their new and very unpredictable reality with Diana (guest star Hannah R. Loyd)."

Besides the regular cast, Bitsie Tulloch, Silas Weir Mitchell, Reggie Lee and Bree Turner also will also star in the series finale episodes.

In the last episode titled "The Taming of the Wu," When Sgt. Wu became involved in an altercation that resulted in the killing of a petty thief, he decided to go to the spice shop and figure out what was happening to him. Meanwhile, Meisner and Trubel went to Diana's safe-house only to learn that she was taken by Black Claw as leverage to convince Renard, Adalind and even Nick to join their cause.

Unable to think of a solution, Adalind took Kelly and disappeared, leaving Nick a note saying that she has to protect her children and Nick.