Sir Paul McCartney Performs As Special Last Guest During Saturday Night Live Finale

Television history and rock royalty converged on Studio 8H for the Season 51 finale of Saturday Night Live. Sir Paul McCartney returned to the NBC late-night institution as the musical guest for his fifth time as a solo artist, headlining a highly publicized promotional push for his upcoming studio album, The Boys of Dungeon Lane.  

The broadcast operated as a celebration of McCartney's multi-decade catalog, made even more distinctive by a series of high-profile comedic crossovers and a makeshift, powerhouse backing band that took social media by storm immediately following the credits.

The Doppelgänger Monologue and the "Mechanics" Sketch

The tone for the evening was established immediately during the opening monologue, which leaned heavily into the decades-long running joke regarding the uncanny physical resemblance between host Will Ferrell and Red Hot Chili Peppers drummer Chad Smith. The show opened with Smith hijacking the stage, pretending to be Ferrell, before the real host emerged to confront him.  

The bit reached its comedic peak when the camera cut to McCartney sitting front row center in the studio audience. Feigning confusion, McCartney scolded Ferrell, yelling at him to "get your ass behind the drums where you belong." McCartney’s comedic involvement extended deeper into the episode during the "Mechanics" sketch, where he appeared alongside Ferrell and Marcello Hernández as an eccentric auto repair technician delivering unintelligible car diagnostic advice to an unsuspecting couple.  

Music: Beyond Just Comedy

Musically, McCartney’s performance stood out due to a highly unusual, one-off configuration of his live band. Due to the unannounced absence of his longtime touring drummer, Abe Laboriel Jr., McCartney recruited Chad Smith to anchor the rhythm section for the evening.  

The ensemble was further elevated by American singer-songwriter Ingrid Michaelson, who stepped onto the Studio 8H stage to provide crisp, soaring background harmonies, blending seamlessly with McCartney’s signature vocal delivery.  

McCartney utilized the live broadcast window to deliver a diverse, three-song trilogy spanning different eras of his post-Beatles career:  

1. "Days We Left Behind": The performance kicked off with the live debut of the lead single from The Boys of Dungeon Lane, produced by Andrew Watt. The track features a driving, melancholic indie-rock edge that translates powerfully to a live room.  
2. "Band on the Run": McCartney then pivoted to his foundational 1973 Wings catalog, delivering a soaring, arena-scale rendition of the classic title track.  
3. "Coming Up": In a highly nostalgic nod to his solo history, McCartney played the McCartney II cut as the traditional late-night credits scrolled. The choice was deeply symbolic, as the music video for "Coming Up" served as the centerpiece for his very first appearance on SNL forty-six years prior.  

The real surprise for the studio audience, however, occurred after the television cameras stopped rolling. NBC subsequently uploaded the footage of an exclusive, post-show encore that took place on the floor of Studio 8H.  

With the television restrictions lifted, McCartney treated the remaining crowd to a raucous, two-song set of Beatles classics, tearing through "Help!" and "Drive My Car." The closing moment provided the ultimate viral snapshot of the night, as host Will Ferrell joined the supergroup on stage, vigorously playing the cowbell in tandem with Chad Smith’s heavy drumming.