A U.S. Marine single mom continues her march to a million dollars, and a nurse with a karaoke superpower.

Two single moms, a school bus driver and a U.S. Marine try to sing their way to a million dollars.

A high school teacher and a mom from Vegas try to sing their way to a million dollars.

A mother of two and a sassy server channel their inner icons for a shot at a million dollars.

A grocery worker tries to sing his way to some serious cheddar.

School is in session as two teachers try to take down ten songs for a million dollars.

The season's youngest singer and a father with a falsetto each try to take on the Million Dollar Challenge.

A returning contestant faces two life-changing decisions, and a baker finds that remembering lyrics is NOT a piece of cake.

Surprising revelations and shocking decisions are made as a new set of contestants battle their way towards a Million Dollar Prize.

An over-the-top thrill-seeker risks a Million Dollars as she sings her way through some of the biggest hit songs of all time.

A property manager from Lafayette, LA, and a musical church minister from Avondale, AZ, compete.

A father of four from Las Vegas, NV, competes.