America’s Got Talent Season 21 semifinals feature 12 acts

Twelve acts competed during the semifinals of America’s Got Talent Season 21 on September 15, 2026. The contestants are vying for a position in the finale and a $1 million grand prize.

Judges Howie Mandel, Mel B., and Sofía Vergara provided feedback on the performances, while Simon Cowell remained absent due to recovery from back surgery. Host Terry Crews noted that viewers are responsible for deciding which six acts advance to the next round.

Performances included the Acro Canine Crew, a dog training and acrobatics group, and magician Kameron Marshall. Voting for the semifinalists is conducted via the NBC website, the AGT app, and the official TikTok account.