This content is not available from your geographic area.

What's Professor Kloridric's favorite color? Black, of course! That's why, in this episode, Carla, Charlotte and Sara have to solve a series of black-themed riddles! First, they'll have to paint a graffiti and then use a black light lamp. Next, a blindfold challenge will test their communication skills. Finally, the players will have to carry out a scientific experiment using black ink.