With the finalists chosen, the contestants and their mothers must prove they know each other better than anyone else to win the ultimate cash prize.

A tempting offer forces the Frat House contestants to weigh the odds. Later, the last challenge before the finals tests how well they know their mothers.

A big reveal shifts the dynamics among the Frat House contestants. The mothers face a hard test, but a coveted reward awaits if they succeed.

The mothers find out whether their children can be trusted to make sacrifices for the greater good of the group — and if a secret is safe with them.

With tensions mounting between the mothers, a not-so-innocent game of Never Have I Ever reveals difficult truths as they bet on who did what.

The first challenge tests how well the mothers know their children as the contestants choose between temporary fun and boring responsibility.

While nine participants introduce themselves and share stories in the Frat house, their mothers observe them in secret and place their first bets.