Four celebrities perform, with only one contestant moving on to the next week. Introducing: Harp, Hedgehog, Hummingbird, and Knight.

Blue Man Group, jugglers and more visit the show to welcome two new celebrity singers for their first performances of the season; two new characters enter the game and two are unmasked. Introducing: Panther and Pi-Rat.

Two new celebrity singers enter the competition and perform iconic theme songs from TV shows throughout history; two unmaskings.

Two new celebrity singers enter the competition and perform songs from Andrew Lloyd Webber's legendary music catalog; guest panelist Andrew Lloyd Webber.

Miss Piggy serves as a guest panelist, with special appearances and performances by Kermit the Frog, Animal, Fozzie Bear and more Muppet favorites.

Two new characters enter the competition; the studio audience votes for one singer to be unmasked.

Three new characters enter the competition and two are unmasked; guest panelists Leslie Jordan and Joel McHale.

The panelists roast one another as two new characters enter the competition; guest appearances by Drew Carey and Jon Lovitz.

Three contestants have sung their way to the Semi Finals and for the first time, a three-way battle ensues. One contestant will be eliminated and the remaining two will advance to the finals.

Before the winner is crowned, a look back at the best performances on The Masked Singer from season eight.

Both finalists sing their hearts out one last time, with only one taking home the trophy.