Queendom

Mamamoo and AOA cover each other. A backup dancer choice raises eyebrows - and rankings, as does a surprise guest.

A Queendom quest affects the cover song competition. Two groups that did poorly last competition make desperate and surprising choices, hoping for a big payoff.

The lead singer and lead dancer from each group collaborate and compete as units. The singers fight over who gets a duet with Hwasa.

The dance unit leader is chosen, and a legendary choreographer joins the unit. The voice units perform a demo. The groups become closer with each other at a retreat.

The vocal and dance units perform.

The "Fandoras Box" challenge, where each group performs a fan-chosen song.

The winners of the combined Vocal Unit, Performance Unit, and Fandora contests are announced.

All the groups perform their comeback hits. A winner is announced.