In which The Thals and The Daleks have their final confrontation.
In which Ian, Barbara, and some Thals traverse many dangers, toils, and snares. And The Doctor smashes things.
In which Ian teaches The Thals the way of the fist! Also, Susan climbs a tree.
In which there is an ambush.
In which there is more exposition, followed by an escape.
In which our heroes are captured by The Daleks, get a history lesson, and begin to succumb to radiation sickness.
In which the travelers arrive in a petrified forest, Susan fails at gardening, and The Doctor proves to be a conniving git.