Doctor Who Sonic De-cloaker

Doctor Who is the most intelligent creature you know and his desire to make good things is strong. He is about to find dangerous black holes in the sector and you should help him with that.

Doctor Who is too smart for the majority of creatures in the Universe and he is always one step ahead. This time your mission is to find out all black holes in the sector to make your plans come true. However, your Sonic Screwdriver is not enough for it. The habitants of the space can give you some hint with that so don't miss a chance.