Kenan Thompson Stepping In for Recovering Simon Cowell on 'America's Got Talent'

*Saturday Night Live* comedy veteran Kenan Thompson is bringing his star power to the judges' table on NBC's *America's Got Talent*. The beloved performer will step in for series creator and head judge Simon Cowell during the upcoming Quarterfinals Round 3 broadcast on September 1. The fill-in arrangement comes after Cowell was sidelined by a serious back injury that required immediate surgery. The high-profile music mogul was forced to sit out recent live broadcasts of the talent competition while taking time to recover from the medical procedure, leaving a vacant seat at the head of the panel. ## Why is Kenan Thompson on America's Got Talent? Thompson's guest stint marks an exciting return to the hit show's universe, offering fans a fresh perspective during one of the most stressful phases of the season. As the remaining contestants hit the stage for the live quarterfinals, the long-tenured *SNL* cast member will offer his own humor and expertise to evaluate the performing acts. Cowell's unexpected medical leave disrupted the standard setup of the long-running series. Because Cowell serves as both the show's creator and its sharp-tongued lead critic, his absence leaves big shoes to fill. Producers have relied on guest panellists to preserve the classic four-person panel while the veteran host focuses on his health and physical rehabilitation. ## When will Simon Cowell return to AGT? While production sources have not announced a specific date for Cowell's return to the live stage, his health remains the main focus for the network. Show reps continue to monitor his progress as he works through his post-surgery recovery period at home. In the meantime, Thompson is set to bring his quick wit and signature charisma to the high-stakes live episode. Fans can watch him hand out feedback when Quarterfinals Round 3 airs on NBC, where another round of contestants will battle for a spot in the semi-finals.