America's Got Talent S21E20 — Semifinals
6.1

Semifinals

6.1/10 · 23 votesSep 15, 202684 min

Ranked #19 of 23 in Season 21•−0.4 vs season avg

Discussion

Twelve acts compete live for a chance to advance to the finale; America begins the vote for their six favorite acts.

Season 21 Episodes23

Cast5

Simon Cowell

Simon Cowell

Self - Judge

Howie Mandel

Howie Mandel

Self - Judge

Sofía Vergara

Sofía Vergara

Self - Judge

Mel B

Mel B

Self - Judge

Terry Crews

Terry Crews

Self - Host

Discussion

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Episode Summary

"Semifinals" is episode 20 of America's Got Talent season 21. It scored 6.1/10 from 23 votes, ranking #19 of 23 episodes this season (season average 6.5). It aired on September 15, 2026.