Teams of best friends, a brother and sister, and sanitation executives compete.

Teams of fire marshals, deputy sheriffs and a married military couple compete.

Mother-daughter cheerleaders, sassy sisters-in-law and a pair of doctors compete.

Teams of fathers and daughters compete.

A big sister and little brother duo, best friends and a pair of teachers compete.

Teams of mothers and daughters compete for the million-dollar prize.

Teams of ghost hunters, security guards and married high school sweethearts fight for the million dollar prize.

Three teams of educators try to ace a $1 million music test.

Longtime besties, golf buddies and a team of acrobatic aerialists hope their friendships will help them crush Shazam's million dollar challenge.

Three teams of best friends compete.

Former NFL cheerleaders face off against flight attendants and a grandmother-granddaughter duo to take home the second $1 million prize.