Teams of basketball super-fans compete and special guest Kareem-Abdul Jabbar stops by.

Michael Bolton makes a special guest appearance.

Musical group Bel Biv Devoe performs.

Singer/Songwriter Ginuwine performs.

The team with the highest score will go against Shazam, the popular song identification app, for the chance to win up to one million dollars.

Best friends, a married couple and barrel racers compete. Singer-songwriter Demi Lovato performs.

Teams of best friends, a father-son duo, and siblings compete.

The team with the highest score will go against Shazam, the popular song identification app, for the chance to win up to one million dollars.

Teams of spouses, sisters and co-workers compete.

Teams of twins compete; and Shaquille O'Neal, Lance Bass and Joey McIntyre are special guests.

Teams of deejays compete.