Secrets: [s1e19]

If you'd like, I can provide more from Winston's Theodore K. Mullins speech or a detailed breakdown of the other roommates' secrets.

In the final Theodore K. Mullins scene, one of the guest actresses (Lena) can be seen breaking character and laughing at Winston’s performance. [S1E19] Secrets

In one of the show's most famous scenes, Winston adopts the persona of Theodore K. Mullins to break up a fight between Nick’s multiple dates, delivering a dramatic, spiritual-inspired monologue: "Who am I? Well, I am Theodore K. Mullins. And Nick is my lover on the down low. Tell her, Nick." If you'd like, I can provide more from Winston's Theodore K

The runner who yells "I'm peeing!" during the 10K is David Wain, the director of the episode and filmmaker known for Wet Hot American Summer . Mullins scene, one of the guest actresses (Lena)

Jess confronts Cece during a charity 10K, where the tension between them culminates in Jess realizing that Cece actually has genuine feelings for Schmidt.