Teams of teachers compete.

Teams of youth pastors, gospel singers and rabbis compete.

Teams of beauty queens, sanitation workers and a married couple compete.

Teams of New York City musicians include a brother and sister duo from South Carolina and a pair of best friends from Los Angeles.

Teams of fathers and daughters compete.

Teams of cell tower technicians, sisters, and a mother and daughter compete.

Teams battle for the chance to take home the season's second $1 million prize.

Teams of childhood sweethearts, best friends and dental hygienists compete.

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

Teams of brothers from Louisiana, cousins from Texas and churchgoers from Virginia compete.

Two teams of best friends take on a pair of brothers in a $1 million battle.

Teams of sisters, best friends and newlyweds compete.

Teams of flight attendants, a Navy family and Oahu, Hawaii, co-workers compete.