Kenan Thompson Steps In For Simon Cowell on 'America's Got Talent'

Comedian and long-time Saturday Night Live star Kenan Thompson will make a guest appearance on NBC's "America's Got Talent" as a judge for the Quarterfinals Round 3 episode airing September 1st. Thompson is stepping in for regular judge Simon Cowell, who is currently recovering from back surgery.

Cowell, who is also the creator and executive producer of the popular talent competition, has been absent from recent episodes as he undergoes his recovery. Thompson's appearance marks a return to the AGT stage for the comedian, who has a history with the network.