The article titled "John Mulaney Messing with Bill Hader (Stefon)" discusses a hilarious incident involving comedians John Mulaney and Bill Hader. The main idea revolves around Mulaney playing a prank on Hader during a live performance of a popular Saturday Night Live sketch called "Stefon."

During an episode of Late Night with Seth Meyers, Hader recounts the incident, which occurred while he was still a cast member on SNL. Hader played the iconic character Stefon, a flamboyant nightlife correspondent known for his outrageous recommendations on New York City's hottest clubs.

The story begins with Mulaney, who was a writer on SNL at the time, deciding to pull a prank on Hader during a live performance of the Stefon sketch.

Mulaney slips in bizarre changes to the script, knowing that Hader would be caught off guard and have to improvise his way through the sketch.

On the night of the performance, Hader starts the sketch expecting the usual lines. However, he quickly realizes that something is amiss when the cue cards display nonsensical phrases instead of the usual club recommendations. The prank throws Hader off balance, causing him to struggle to keep a straight face and deliver his lines.

Mulaney's mischief continues as he changes the cue cards between every line, creating a chaotic and unpredictable situation for Hader.

The content on the cue cards becomes increasingly absurd, adding to Hader's challenge of keeping a straight face and improvising a response.

Despite the hilarious chaos, Hader manages to stay in character and adapt to the unexpected changes. He expertly navigates through the altered script, making up outrageous club names and descriptions, while Mulaney watches from the sidelines, trying to contain his laughter.

The audience is in stitches throughout the sketch, finding joy in Hader's masterful comedic skills and the sheer absurdity of the situation. Even Meyers, who was also a former SNL cast member, recalls laughing uncontrollably while watching the performance.

The article conveys the entertaining nature of the prank and highlights the incredible talent and quick thinking of both Mulaney and Hader. It emphasizes the camaraderie and playful dynamics among comedy professionals, who are always looking for ways to push each other's boundaries and create memorable moments.

In conclusion, the article titled "John Mulaney Messing with Bill Hader (Stefon)" recounts a hysterical incident where Mulaney pranked Hader during a live performance of the Stefon sketch on SNL. This prank involved Mulaney altering the cue cards, causing Hader to improvise and struggle to keep a straight face while delivering lines. The audience highly enjoyed the chaotic yet hilarious situation, showcasing the comedic talents of both Mulaney and Hader.