This week, Cat introduced us to Nigel Lithgoe, Mary Murphy and Brian Friedman as our judges. Then, the dance performances started. This week, each dancer performed with every other dancer.Heidi and Travis performed a disco routine and then Donyelle and Benji danced the Viennese Waltz.Next, Cat showed a clip of the dancers going to see "Step Up."Heidi was the first to perform her solo. Then, Benji and Travis danced hip-hop, Donyelle performed her solo, Travis danced solo, Heidi and Donyelle performed broadway, Benji performed his solo, Donyelle and Travis danced contemporary, and Heidi and Benji performed a salsa dance.The evening closed with the entire group dancing pop.Afterwards, voting was opened up to the audience.