The Purple Panther: Part 1 - S3-E6
Continuity mistake: During the 'Break it down!' part of 'The World Goes Round', there is usually no microphone in front of Stephanie. However, in the shots where Stingy shows up, there is now a microphone. Up until the 'Break it down!', there was also a microphone, showing that it actually disappeared from most of the shots during it. The guitar also disappears from all 'Break it down!' shots.