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

It's "Rat Pack Night" on The Masked Singer! Get ready for The Masked Singer's resident crooner, Robin Thicke, to Fly You To The Moon when he opens the show with the classic alongside Group A's Ant, Paparazzo and Coral. This evening's tribute to the Rat Pack has even more action than a Vegas casino! Group A will swoon, sing and serenade the audience with some of the Rat Pack's most iconic classics including, "Luck Be A Lady," "Fever," "That's Amore" and "My Way!"

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 perform "Save a Horse (Ride a Cowboy), and renditions of "Here You Come Again," "Take Me Home, Country Roads" and "Something in the Water."

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.

It's time for a "Merging Of The Masks" for the Lucky 6 on The Masked Singer! The final six celebrities in the competition are ready to battle it out to get one step closer to the illusive Golden Mask Trophy and this week, the panelists will have an opportunity to ask some rapid-fire questions to each masked contestant.

It's "Soundtrack Of My Life Night!" The top five have come to play and open the show with a pitch-perfect performance of "More Than A Feeling." Then, the masks will be singing songs with a special meaning to them and we will get to hear from those closest to them.

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.

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