Ep 4. Paper Moon

In season 10 episode 4 of Supernatural, titled "Paper Moon," Sam and Dean Winchester investigate a series of werewolf attacks in a small town in Colorado. As they delve deeper into the case, they discover that one of the werewolves is a female named Kate, who they had encountered years ago and believed to be dead.

The brothers are torn on how to proceed with Kate, who has been living a peaceful and non-violent life with her werewolf pack but is still a threat to humans. Sam believes they should try to help her control her urges and live peacefully, while Dean is more skeptical and believes they should kill her to eliminate any potential danger.

Meanwhile, Kate's sister Tasha, who is also a werewolf, has been manipulating the pack and using their loyalty to her to commit the recent attacks. As the Winchesters confront Tasha and try to stop her, they also grapple with their decision regarding Kate.

Throughout the episode, the theme of family and loyalty is explored, as Sam and Dean reflect on their own brotherly bond and the bonds between Kate and her pack. The episode also features some comedic moments, particularly when the Winchesters pose as FBI agents and interact with the local sheriff.

As the episode concludes, the Winchesters come to a resolution regarding Kate and the werewolf pack, but not without some difficult decisions and emotional turmoil. The episode serves as a reminder of the complicated and nuanced nature of hunting supernatural creatures, and the struggle to balance justice with compassion.