Robin, Nicole and Ken take a break from evaluating masked celebrities and force everyday citizens to perform for them.

A simple car ride becomes a turbulent musical collaboration between the singer and the comic. Will their love of robots and aliens unite them?

Retta invites Christina and Mae to treat themselves on a decked-out spa bus in between passionate sing-alongs to Hamilton and Heart.

Jay’s a hip-hop guy and Seal loves soul and standards, but when it comes to serenading couples, it has to be “Kiss From a Rose."

It’s a new kind of sibling rivalry when Zooey and Emily go head-to-head with Jonathan and Drew to portray one another in a musical spectacular.

The alt-rock icons take the funnyman on a trip from their first hits to covers of TLC and Toto—and swap some questionable memorabilia.

A new batch of wrestling superstars cram themselves into our musical ride for a raucous celebration of one-hit wonders and goofy games.

These multitalented kids swap Broadway origin stories and look for summer jobs between Panic! At the Disco and Stevie Nicks jams.