Contestants from Group A perform hits like "SexyBack", "Just Give Me a Reason", "The Door", "La Bamba" and "Mad World".

Ken Jeong, Rita Ora, Robin Thicke, Jenny McCarthy Wahlberg, and Nick Cannon open the show in costume with a hilarious rendition of Rockstar by Smashmouth. The Masked Singer is celebrating the 30th anniversary of the incredible animation studio, DreamWorks, that brought the magic of Shrek to the world! Then, Group A channels their inner fairytale by performing songs from or inspired by the Shrek-cellent movie franchise from "Accidentally In Love" to "Hallelujah", "I'm A Believer", and "Wide Awake".

Robin Thicke opens the show alongside Group A's Ant, Paparazzo, and Coral. Then, Group A serenades the audience with some of the Rat Pack's most iconic classics, including "Luck Be A Lady", "Fever", "That's Amore", and "My Way!" Two of these headliners move on to the lucky six at the end of the night but not before an epic Battle Royale.

Five new masks appear as the Voices of Olympus; contestants perform showstopping renditions of "I Believe In a Thing Called Love", "Bad Blood", "Rewrite the Stars", "Espresso" and "Saving All My Love For You".

The panelists transform into ghost busting detectives along with an iconic visit from an original Ghostbuster, Ernie Hudson! Group B ain't afraid of no ghosts! They bring the house down with amazing performances of "(Don't Fear) The Reaper", "Disturbia", "Cleanin' Up The Town", and "Radioactive" before one celebrity must reveal themselves.

The Group B finalists open the show with some southern charm and a rockstar performance of "Save A Horse (Ride A Cowboy)" before impressing the audience with renditions of, "Here You Come Again", Take Me Home, Country Roads", and "Something In The Water". Then, the show will close with an epic Battle Royale to see who will be unmasked and who will advance to the Lucky Six. Sitting in for panelist Rita Ora is comedian and country music superfan, Casey Wilson!

The celebrities deliver astounding performances of "Hot To Go", "Jump Around", "Roxanne", "Let's Get Loud", and "Unwell" before one celebrity must reveal themselves.

Paying tribute to boy bands; contestants perform iconic boy band classics like "Tearin' Up My Heart", "Poison", "Step By Step", and "I Swear".

Group C opens the show with a rockstar performance of "My Sharona" before the celebrities bring the house down with renditions of "Stop! In The Name Of Love", "Love Yourself", "Can't Fight This Feeling", and "Hard to Handle". One celebrity automatically advances to the Lucky Six while two battle it out in an electrifying Battle Royale to see who moves along to the Lucky Six and who must reveal themselves.

The panelists have an opportunity to ask some rapid-fire questions to each masked contestant. The final 6 leave everything on the stage with unbelievable performances of "There's Nothing Holdin' Me Back", "Stargazing", "Ain't It Fun", "Unpretty", "Conga", and "Unsteady" before one celebrity must reveal themselves.

The final five perform "Sk8er Boi", "Million Reasons", "Golden Hour", "Your Love", and "The Scientist". One celebrity must reveal themselves while the rest advance to the semifinals.

It's the Semi Finals on The Masked Singer and the final four are ready to make some hands clap with their superstar rendition of "HandClap!" The four semi-finalists are ready to battle it out ahead of next week's blockbuster season finale.

Rita Ora and the finalists get the night started with a showstopping performance of "Pink Pony Club!" The final masked celebrities bring the house down with amazing renditions of "Black Horse and the Cherry Tree", "Moon River", "Freedom! '90", "Stay", and more while the panelists use the biggest clues yet to make their final guesses for a chance to win the golden ear trophy!