Raph Honigstein joins the FC show to breakdown Dortmund's loss to Benfica, and Aubameyang's poor performance.
Opposition defences have found it hard to handle Dembele since he moved from Rennes to Dortmund last summer.
Borussia Dortmund boss Thomas Tuchel played down any sense of crisis ahead of his side's Champions League round-of-16 clash at Benfica on Tuesday.
Dortmund have accepted a partial stadium closure as a result of the crowd trouble that marred their recent home game against RB Leipzig.
Bayern Munich left it late to beat Ingolstadt, while Borussia Dortmund and Red Bull Leipzig fell to shock defeats.
Borussia Dortmund sporting director Michael Zorc has rejected the suggestion that manager Thomas Tuchel criticised the board.