The Power of Kroll: Part Four
- Episode aired Jan 13, 1979
- TV-PG
- 22m
The Doctor races to stop Thawn from destroying the Swampie settlement and then works to destroy Kroll once and for all.The Doctor races to stop Thawn from destroying the Swampie settlement and then works to destroy Kroll once and for all.The Doctor races to stop Thawn from destroying the Swampie settlement and then works to destroy Kroll once and for all.