In which episode is the cooperation between Chiang Kai-shek and Chairman Mao?

The first episode.

1. According to the plot of Armageddon, in the first episode, Chiang Kai-shek cooperated with Chairman Mao to negotiate for the peaceful founding of the country in Chongqing.

2. "Armageddon" TV series is a major revolutionary historical TV series produced by the Central Radio and Television General Station, filmed by the TV Documentary Center of the General Station, and produced by Luming Literature Film of China International Television Corporation.