supernatural season 10 spoilers Dean (Jense Ackles) and Sam (Jared Padalecki) will hunt down a toothy-creature in Season 10, episode 4 of "Supernatural." Photo: CW

The Winchester brothers will be back to their old, “Supernatural” ways when episode 4 of Season 10 airs Tuesday, Oct. 28. Now that Dean (Jensen Ackles) is temporarily cured of being a black-eyed demon (thanks to a little purified blood), he and Sam (Jared Padalecki) can continue their quest to hunt down the mischief-causing creatures of the night.

So, what will the boys face in “Paper Moon”? Well, if the episode title isn’t obvious enough, Sam and Dean will be hunting down growling, howling, human-slaughtering werewolves. According to the promo for episode 4, the brothers will be forced to track down an animal that’s been tearing residents of the small town from limb to limb. But to their surprise, the “recent string of werewolf attacks” will point to a surprising (and familiar faced) culprit – Kate (Britni Sheridan).

Fans met Kate in 2012 when she was tracked down by the Winchester’s for a murder. Originally, she was a human -- one that was attending college so she could one day become an environmental lawyer. However, her dreams to save the earth were crushed when she was turned into a creature that would destroy the very same planet she wanted to protect.

Kate was turned into a flesh-eating creature by a scorned admirer. After she became a werewolf, she ripped her creator to shreds. Kate then begged the Winchester’s to let her keep her life after she promised not to harm any humans.

"I’ve never hurt anyone. Nobody human anyway. I didn’t choose this. Please. Please give me a chance,” she pleaded. The Winchester’s, being the empathetic men they are, decided not to kill her. But it looks like they might be regretting their decision when Kate is placed in the middle of all the werewolf chaos in episode 4.

What do you think will happen in next week’s episode of “Supernatural”? Tune in to “Paper Moon” on Tuesday, Oct. 28, at 10 p.m. EDT to find out.