Oh Brother! Why Art Thou Here? (S05E17)

Josh's brother shows up at the studio unannounced with some surprising news. When Zara realizes her split focus is affecting her chances at a coveted solo, she is forced to choose between her two passions. Heather and Piper feel their lack of hip-hop skills could hurt the team, so they enlist Henry's help to turn things around. (BBC iPlayer)