Release Message:  The Rani's deviousness inadvertently sets the Doctor (Sylvester McCoy) and Mel against each other - she having yet seen the Doctor in his new regeneration.

Description:  The Rani's deviousness inadvertently sets the Doctor and Mel against each other - she having yet seen the Doctor in his new regeneration, he believing Mel is the Rani disguised, and each thinking the other is an agent of utmost evil to be brought down. Two unanswered questions linger: Why has the Rani collected geniuses, and why is she messing around with "strange matter."