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 sisters, sisters-in-law and newlyweds hope their close family ties help them win the jackpot.

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.