A mom and her college-bound twins, three pastors and identical triplets use a mummy, an ark and assorted antiquities to traverse a flooded basement.

A mom and her college-bound twins, three pastors and identical triplets use a mummy, an ark and assorted antiquities to traverse a flooded basement.

In this episode, teachers, tennis pals and proud papas take leaps of faith across a magma-filled obstacle course designed to look like a bedroom.

In this episode, teachers, tennis pals and proud papas take leaps of faith across a magma-filled obstacle course designed to look like a bedroom.

Three teams — the Mama's Boys, Triple Threat and the Edutainers — enter a lava-swept planetarium. Only one will emerge the victor.

Three teams — the Mama's Boys, Triple Threat and the Edutainers — enter a lava-swept planetarium. Only one will emerge the victor.

We need a giant stick of mozzarella stat! Doctors, nurses and party animals do culinary calisthenics in a kitchen like no other.

We need a giant stick of mozzarella stat! Doctors, nurses and party animals do culinary calisthenics in a kitchen like no other.

Flight attendants, fiancés and fierce ladies leap across couches, swing from cargo nets and find time to contemplate an abominable yeti.

Flight attendants, fiancés and fierce ladies leap across couches, swing from cargo nets and find time to contemplate an abominable yeti.

Two teams of lava-leaping maniacs go head-to-head in the kitchen, where one false move can send even the fiercest competitor to an unpleasant exit.

Two teams of lava-leaping maniacs go head-to-head in the kitchen, where one false move can send even the fiercest competitor to an unpleasant exit.

A fresh crop of victims, er, players take on the planetarium level, where the Earth really is flat and giant red buttons are sometimes best avoided.

A fresh crop of victims, er, players take on the planetarium level, where the Earth really is flat and giant red buttons are sometimes best avoided.

Things bottom out on the basement level when a team of brawny bros takes on a trio of co-workers who met on the job.

Things bottom out on the basement level when a team of brawny bros takes on a trio of co-workers who met on the job.