The 'Bill Hader Dancing to Anything' meme originates from a deleted 2011 Saturday Night Live sketch titled 'Alan,' featuring Hader as a man dancing manically to a synth-pop track. Although the sketch didn't air, it resurfaced years later on social media platforms like Twitter and TikTok, where users discovered that Hader's rhythmic, slightly awkward movements synced perfectly with almost any song. The meme became a viral sensation as creators replaced the original audio with everything from pop hits to heavy metal, using the footage to represent pure, unadulterated joy or the feeling of vibing to a specific situation. It remains a staple of internet culture for its versatility and Hader's expressive, high-energy performance.