Pt. Nehru tells Indira about the development of language and how the roman numerals were problematic to begin with. The world later learnt Arabic numerals which originated in India. 

In this letter, Pt. Nehru talks about the emergence of sea trade and how people wanted to cross the mightiest of oceans in order to create a more connected world ruled by activities of trade and commerce. 

In this letter, Pt. Nehru tells Indira how the civilizations of India and China developed away from the lands of Egypt and Mesopotamia. 

Stories of Midas, ancient Egypt and sacrifices made in the name of God are narrated in this letter by Pt. Jawaharlal Nehru to his daughter Indira. 

In this letter, Pt. Jawaharlal Nehru talks to Indira about old cities and how they were rebuilt time and again. In this philosophical enquiry, he also discusses also it takes years for a civilization or a city to reach its zenith and them reach a point where it is deserted, only to become civilized again. 

In this letter, Pt. Jawaharlal Nehru is telling Indira how the early people lived their lived and gave incredible importance to rivers like Ganga, Nile etc. 

In this letter, Nehru finally tells Indira how kings came into being and called their reign a divine right. Later, the people disliked their reign and threw them away, stripping them off power. However, in India, many kings remained who taxed people exorbitantly and lived lavish lifestyles at their expense. 

In this letter, Pt. Jawaharlal Nehru tells Indira how chiefs of tribes started becoming more powerful and then began transferring their power to rule to their heirs, who mostly belonged to their own families. 

Nehru answers a question by Indira Priyadarshini on how the kings came into beings. However, before this he takes us to the journey of ancient beginnings of our civilization where we learnt to divide work, specially management to an elder. 

In this episode, Pandit Nehru talks about the ways in which agriculture changed our lives and how we turned from a species that roamed around with our cattle to people who settled in villages.