A trip to the dentist for the Glee clubbers gives them hallucinations while Brittany's psyche comes to focus and they sing some of special guest star Britney Spears' greatest hits.
It better flop like "Circus", the #1 album supported by a #1 single and a #1 tour, three huge singles, with more than 13 million singles and 4.5 million albums sold. "Radar" sold only a million worldwide, what a flop.
It better flop like "Circus", the #1 album supported by a #1 single and a #1 tour, three huge singles, with more than 13 million singles and 4.5 million albums sold.
"Radar" sold only a million worldwide, what a flop. 
