Grimm season 3, episode 4 “One Night Stand” airs tonight at 9 p.m. EST on NBC! Get ready by watching the promo and find out where to catch the episode online.

In last week’s episode of Grimm Nick’s health appears to be better than it was before his zombie activity. However, Juliette is still worried that something bad could happen to him. Monroe and Rosalee decide to take their relationship to the next level and move in together. But get sidetracked when the Blutbaden population in Portland comes under attack. Nick is able to track it down to a restaurant run by Bauerschwein trying to get revenge and with Monroe’s help they get the chef to confess to poisoning his customers.

The synopsis for ‘Grimm’ season 3, episode 4 ‘One Night Stand’ is:

“BIZARRE DROWNINGS LEAD TO A MYSTERIOUS GROUP OF WATER-BOUND WESEN — When Nick (David Giuntoli) and Hank (Russell Hornsby) investigate a drowning death with mysterious marks on the victim’s ankles, they happen upon a group of water-bound Wesen with a deadly postcoital cuddle. Meanwhile, Rosalee (Bree Turner) starts unpacking her things at Monroe’s (Silas Weir Mitchell), and Captain Renard (Sasha Roiz) makes a startling realization about the possible identities of the Royal Baby’s parents. Bitsie Tulloch, Reggie Lee and Claire Coffee also star.”

The stills for ‘Grimm’ season 3, episode 4 ‘One Night Stand’ show Nick and Hank investigating a drowning

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Watch the promo for the episode below:

Where to watch ‘Grimm’ season 3, episode 4 ‘One Night Stand’ online:

If you’re unable to watch the episode live, NBC offers full episodes of Grimm on its official website. However, they typically aren’t up for several days.

A quicker option is to set your DVR or watch the episode OnDemand through your cable provider. They’re usually OnDemand the following day of the premiere date.

Will you be watching ‘Grimm’ season 3, episode 4 ‘One Night Stand’ live tonight?

Photo credit: Scott Green/NBC