Each masked singer has their own production team that doesn't work with the other singers, rehearses in their own studio, and never interact with the other masked singers.
Nobody in production, aside from their personal production assistant, knows who the singers are. They come to rehearsals on different days with covered faces and clothing.
Kermit the Frog was the first nonhuman contestant to be on The Masked Singer.
Niecy Nash is filled in as Masked Singer host after Nick Cannon tested positive for COVID-19.
A Masked Singer National Tour was set to take place in mid-2020 featuring 2 celebrity hosts and a mystery celebrity, due to COVID-19 the tour was postponed to 2021 and eventually the show was postponed indefinitely.