S1E34: Dancer Danger

An upcoming dance party is coming to the Unikingdom and everyone is excited to show off their moves, except Richard, who believes he has no groove. Unikitty decides to help, but nothing works, soon Dr. Fox decides to help him by showing off her newest invention: Grooveatron, a robot that will let Richard do some dance moves, but soon the robot gets a mind of its own and the gang have to defeat it in a dance-off.