Nick Cannon guest hosts; teams of mothers battle to take home the $1 million prize.

Nick Cannon guest hosts; Kelly Osbourne guest DJs; teams of teachers battle to take home the $1 million prize.

Teams of siblings battle to take home the $1 million prize; Nick Cannon guest hosts.

Nick Cannon guest hosts; Kelly Osbourne guest DJs; teams of fathers compete to take home the $1 million prize.

Two teams of friends and a team of nuns battle to take home the $1 million prize.

Teams of mothers and their children battle to take home the $1 million prize.

A team of siblings, a team of friends, and a stepfather/daughter team battle for the prize.

A mother/daughter team, an aunt/nephew team, and a team of friends battle to take home the $1 million prize.

A team of band teachers, a team of cousins, and a husband and wife compete.

A team of friends, a team of scientists, and a team of sisters-in-law battle to take home the prize.

A team of millennials, a team of baby boomers and a team of Gen Xers battle to take home the prize.