Episode 1 of 4 from Mindwarp
The TARDIS arrives on Thoros-Beta, homeworld of the Mentors and the Doctor's old foe, Sil...
Episode 2 of 4 from Mindwarp
The scientist Crozier keeps making empty promises and Yrcanos and Peri are seemingly betrayed.
Episode 3 of 4 from Mindwarp
Kiv's brain rejects his new body and Crozier is forced to rethink his plan.
Episode 4 of 4 from Mindwarp
As the Ambassador visits, Sil is appalled to realise Crozier has selected Peri to be the Kiv's new host body.