Ep 4. The Oolong Slayer

In Brooklyn Nine-Nine season 3 episode 4, titled The Oolong Slayer, the Nine-Nine team is on the hunt for a serial killer who leaves behind tea bags at the scene of the crime. Jake, still dealing with his feelings for Amy, is determined to impress her by leading the investigation and proving his skills as a detective.

As the team investigates the murders, they discover that all of the victims had attended the same high school together. Terry and Rosa go undercover to the high school to try to get more information about the killer and potential suspects while Gina assists from headquarters with technology.

Meanwhile, Captain Holt struggles with his new role as a public relations representative and seeks advice from Terry and Gina on how to connect with the media. Amy, who is a big fan of the captain and his stoicism, tries to help him loosen up with unexpected results.

As the investigation progresses, tensions rise within the team as they struggle to find a suspect and deal with personal issues. Jake is still trying to impress Amy, but is also dealing with his complicated relationship with his ex-girlfriend Sophia. Rosa confronts Terry about his constant worrying about her safety and personal life. And Captain Holt tries to balance his new role with his responsibilities as the captain of the Nine-Nine.

The episode culminates in a thrilling and unexpected twist as the detectives finally close in on the killer and the real motives behind the murders are revealed.

Overall, The Oolong Slayer is a strong episode of Brooklyn Nine-Nine, showcasing the show's signature blend of humor, heart, and thrilling police work. It also continues to explore the complex interpersonal relationships between the characters, bringing new layers to the dynamic between Jake and Amy, as well as exploring the struggles of characters like Terry and Captain Holt.